Pope Francis Addresses Congress

Pope Francis (C) arrives with House and Senate leadership and local clergy, on the balcony of the Speaker of the House after he delivered an address to a joint session of Congress on September 24, 2015 in Washington, DC. (Photo by Bill O'Leary-Pool/Getty Images)

Pope Francis Visits St. Patrick's In Washington, D.C.

Pope Francis waves to parishioners, immigrants and clients of Catholic Charities as he arrives at St. Patrick's Church September 24, 2015 in Washington, DC. (Photo by Mike Theiler-Pool/Getty Images)

Pope Francis In Washington

Pope Francis leaves the Catholic Charities after blessing a lunch for charity workers and the needy September 24, 2015 in Washington, DC. (Photo credit BRENDAN SMIALOWSKI/AFP/Getty Images)

Pope Francis Visits St. Patrick's In Washington, D.C.

Pope Francis addresses the congregation during his visit at St. Patrick's Catholic Church September 24, 2015 in Washington, DC. The Pope is on his first trip to the United States, visiting Washington, DC, New York and Philadelphia. (Photo by Alex Wong/Getty Images)

Pope Francis Visits St. Patrick's In Washington, D.C.

Pope Francis greets parishioners, immigrants and clients of Catholic Charities as he arrives at St. Patrick's Church September 24, 2015 in Washington, DC. (Photo by Mike Theiler - Pool/Getty Images)

Pope Francis Visits St. Patrick's In Washington, D.C.

Pope Francis greets people as he arrives to pray at St. Patrick's Church in Washington, DC, September 24, 2015. The church is the oldest Catholic parish in Washington. (Photo credit SAUL LOEB/AFP/Getty Images)

Pope Francis Visits St. Patrick's In Washington, D.C.

Pope Francis arrives to pray and visit St. Patrick's Church in Washington, DC, September 24, 2015. The church is the oldest Catholic parish in Washington. (Photo credit SAUL LOEB/AFP/Getty Images)

Pope Francis Visits St. Patrick's In Washington, D.C.

Pope Francis arrives at St. Patrick's Catholic Church on September 24, 2014 in Washington, DC. (Photo credit VINCENZO PINTO/AFP/Getty Images)

Pope Francis In Washington

Pope Francis (Front C) pauses in front of a sculpture of Spanish-born Junipero Serra, the Franciscan Friar known for starting missions in California, in Statuary Hall at the U.S. Capitol on September 24, 2015 in Washington, DC. (Photo by Michael Reynolds-Pool/Getty Images)

Pope Francis Visits St. Patrick's In Washington, D.C.

Pope Francis (2-R) blesses an unidentified child beside Speaker of the House John Boehner (R-OH) (R) and US Vice President Joe Biden (bottom L), in Statuary Hall at the U.S. Capitol on September 24, 2015 in Washington, DC. (Photo by Michael Reynolds-Pool/Getty Images)

Pope Francis Addresses Congress

Pope Francis (C) waves, next to US Vice President Joe Biden (2L) and US Speaker of the House John Boehner (3R) at the Capitol building in Washington, DC, after addressing the US Congress on September 24, 2015. (Photo credit Andrew Caballero-Reynolds/AFP/Getty Images)

Pope Francis Addresses Congress

Pope Francis addresses a joint meeting of the U.S. Congress in the House Chamber of the U.S. Capitol on September 24, 2015 in Washington, DC. Pope Francis is the first pope to address a joint meeting of Congress and will finish his tour of Washington later today before traveling to New York City. (Photo by Chip Somodevilla/Getty Images)

Pope Francis In Washington

Pope Francis, accompanied by US President Joe Biden, waves to the crowd after addressing the US Congress in Washington, DC, on September 24, 2015. (Photo credit Andrew Caballero-Reynolds/AFP/Getty Images)

Pope Francis In Washington

Pope Francis waves to the crowd after addressing the US Congress in Washington, DC, on September 24, 2015. (Photo credit Andrew Caballero-Reynolds/AFP/Getty Images)

Pope Francis Addresses Joint Meeting Of U.S. Congress

Republican presidential candidate and New Jersey Governor Chris Christie listens as Pope Francis addresses a joint meeting of the U.S. Congress in the House Chamber of the U.S. Capitol on September 24, 2015 in Washington, DC. Pope Francis is the first pope to address a joint meeting of Congress and will finish his tour of Washington later today before traveling to New York City. (Photo by Chip Somodevilla/Getty Images)

Pope Francis Addresses Joint Meeting Of U.S. Congress

Republican presidential candidate Ben Carson listens as Pope Francis addresses a joint meeting of the U.S. Congress in the House Chamber of the U.S. Capitol on September 24, 2015 in Washington, DC. Pope Francis is the first pope to address a joint meeting of Congress and will finish his tour of Washington later today before traveling to New York City. (Photo by Chip Somodevilla/Getty Images)

Pope Francis Addresses Joint Meeting Of U.S. Congress

Republican presidential candidate Ted Cruz (R) listens as Pope Francis addresses a joint meeting of the U.S. Congress in the House Chamber of the U.S. Capitol on September 24, 2015 in Washington, DC. Pope Francis is the first pope to address a joint meeting of Congress and will finish his tour of Washington later today before traveling to New York City. (Photo by Win McNamee/Getty Images)

Pope Francis Addresses Joint Meeting Of U.S. Congress

Republican presidential candidate Marco Rubio listens as Pope Francis addresses a joint meeting of the U.S. Congress in the House Chamber of the U.S. Capitol on September 24, 2015 in Washington, DC. Pope Francis is the first pope to address a joint meeting of Congress and will finish his tour of Washington later today before traveling to New York City. (Photo by Win McNamee/Getty Images)

Pope Francis In Washington

Pope Francis greets well-wishers at the Apostolic Nunciature to the United States on September 24, 2015 in Washington, DC. (Photo credit MOLLY RILEY/AFP/Getty Images)

Pope Francis Addresses Congress

Various members of the US Supreme Court listen as Pope Francis addresses the joint session of Congress on September 24, 2014 in Washington, DC. (Photo credit PAUL J. RICHARDS/AFP/Getty Images)

Pope Francis Addresses Congress

People watch Pope Francis address a Joint Session of Congress in front of the US Capitol in Washington, DC, on September 24, 2015 on the third day of his six-day visit to the US. (Photo credit NICHOLAS KAMM/AFP/Getty Images)

Pope Francis Addresses Congress

Pope Francis addresses a joint session of Congress on September 24, 2014 in Washington, DC. (Photo credit JIM WATSON/AFP/Getty Images)

Pope Francis Addresses Joint Meeting Of U.S. Congress

Speaker of the House John Boehner (R-OH) (R) speaks with Pope Francis (L) in the U.S. Capitol building before the Pontiff speaks to a joint meeting of Congress September 24, 2015 in Washington, DC. Pope Francis will be the first Pope to ever address a joint meeting of Congress. The Pope is on a six-day trip to the U.S., with stops in Washington, New York City and Philadelphia. (Photo By Bill Clark-PoolGetty Images)

Pope Francis Addresses Joint Meeting Of U.S. Congress

Speaker of the House John Boehner (R-OH) (R) greets Pope Francis (L) in the U.S. Capitol building before the Pontiff speaks to a joint meeting of Congress September 24, 2015 in Washington, DC. Pope Francis will be the first Pope to ever address a joint meeting of Congress. The Pope is on a six-day trip to the U.S., with stops in Washington, New York City and Philadelphia. (Photo By Bill Clark-PoolGetty Images)

Pope Francis Addresses Congress

Pope Francis arrives before addressing the joint session of Congress on September 24, 2014 in Washington, DC. (Photo credit PAUL J. RICHARDS/AFP/Getty Images)

Pope Francis Addresses Congress

Pope Francis arrives before addressing the joint session of Congress on September 24, 2014 in Washington, DC. (Photo credit PAUL J. RICHARDS/AFP/Getty Images)

Pope Francis In Washington

Pope Francis greets well-wishers the Apostolic Nunciature to the United States on September 24, 2015 in Washington, DC. (Photo credit MOLLY RILEY/AFP/Getty Images)

Pope Francis In Washington

Pope Francis gets a hug from a well-wisher at the Apostolic Nunciature to the United States on September 24, 2015 in Washington, DC. (Photo credit MOLLY RILEY/AFP/Getty Images)

Pope Francis Addresses Congress

Crowds wait for the arrival of Pope Francis at the Capitol building in Washington, DC on September 24, 2015. Pope Francis on Thursday addresses Congress, where conservatives embrace his moral authority but are less comfortable with the pontiff's more political preachings. (Photo credit Andrew Caballero-Reynolds/AFP/Getty Images)

Pope Francis Addresses Congress

Crows wait for the arrival of Pope Francis at the Capitol building in Washington, DC on September 24, 2015. Pope Francis on Thursday addresses Congress, where conservatives embrace his moral authority but are less comfortable with the pontiff's more political preachings. (Photo credit Andrew Caballero-Reynolds/AFP/Getty Images)

Pope Francis Addresses Congress

People gather in front of the US Capitol in Washington, DC, on September 24, 2015 before Pope Francis addresses a Joint Session of Congress on the third day of his six-day visit to the US.. Immigration reform activists hold a banner in front of the US Capitol in Washington, DC, on September 24, 2015 before Pope Francis addresses a Joint Session of Congress on the third day of his six-day visit to the US. (Photo credit Nicholas Kamm/AFP/Getty Images)

Pope Francis Addresses Congress

Immigration reform activists hold a banner in front of the US Capitol in Washington, DC, on September 24, 2015 before Pope Francis addresses a Joint Session of Congress on the third day of his six-day visit to the US.. Immigration reform activists hold a banner in front of the US Capitol in Washington, DC, on September 24, 2015 before Pope Francis addresses a Joint Session of Congress on the third day of his six-day visit to the US. (Photo credit Nicholas Kamm/AFP/Getty Images)

Pope Francis Addresses Congress

Immigration reform activists hold a banner in front of the US Capitol in Washington, DC, on September 24, 2015 before Pope Francis addresses a Joint Session of Congress on the third day of his six-day visit to the US. (Photo credit Nicholas Kamm/AFP/Getty Images)

Pope Francis Addresses Congress

Thousands await Pope Francis' historic address to Congress on Sept. 24, 2015. (Credit: CBS)

Pope Francis Addresses Congress

Pope Francis arrives at the Capitol to make historic address to Congress on Sept. 24, 2015. (credit: CBS)

Pope Francis Addresses Congress

Pope Francis arrives to meet with House Speaker Rep. John Boehner ahead of historic address to Congress on Sept. 24, 2015. (credit: CBS)

Pope Francis Meets Rep. John Boehner

Pope Francis meets with House Speaker Rep. John Boehner ahead of his historic address to Congress on Sept. 24, 2015. (credit: CBS)

Pope Francis Meets Rep. John Boehner

Pope Francis meets with House Speaker Rep. John Boehner ahead of his historic address to Congress on Sept. 24, 2015. (credit: CBS)

Pope Francis Meets Rep. John Boehner

Pope Francis meets with House Speaker Rep. John Boehner ahead of his historic address to Congress on Sept. 24, 2015. (credit: CBS)

Pope Francis Meets Rep. John Boehner

Pope Francis meets with House Speaker Rep. John Boehner ahead of his historic address to Congress on Sept. 24, 2015. (credit: CBS)

Pope Francis Meets Rep. John Boehner

Pope Francis meets with House Speaker Rep. John Boehner ahead of his historic address to Congress on Sept. 24, 2015. (credit: CBS)

Pope Francis Meets Rep. John Boehner

Pope Francis meets with House Speaker Rep. John Boehner ahead of his historic address to Congress on Sept. 24, 2015. (credit: CBS)