Visiting President George W. Bush, second right, and Ukrainian President Victor Yushchenko, right, listen to the national anthem of Ukraine during an official welcome ceremony in Kiev, Tuesday, April 1, 2008. Mr. Bush arrived in Kiev late Monday for a two-day visit aimed at showing U.S. support for Ukraine's NATO membership bid.
President George W. Bush, left, Ukraine's President Viktor Yushchenko, center, and their spouses first lady Laura Bush, second from right, and Kateryna Yushchenko, listen to the national anthem of the United States, at an official welcoming ceremony in Kiev, Ukraine, on Tuesday, April 1, 2008.
Visiting President George W. Bush, left, and Ukrainian President Victor Yushchenko, right, speak as they review honor guard during an official welcome ceremony in Kiev, Tuesday, April 1, 2008. Yushchenko said Tuesday that Ukraine has the "full support" of the United States for his nation to begin the process toward joining NATO.
President George Bush, left, and Ukrainian Prime Minister Yulia Tymoshenko pose for the press at the Presidential Secretariat in Kiev, Ukraine, Tuesday, April 1, 2008.
President George Bush speaks to Ukrainian Parliament Speaker Arseniy Yatsenyuk at the Presidential Secretariat in Kiev, Ukraine, Tuesday, April 1, 2008, as Secretary of State Condoleezza Rice, left, listens.
First lady Laura Bush, left, and Ukraine first lady Kateryna Yushchenko visit the Taras Shevchenko National Museum in Kiev, Tuesday, April 1, 2008.
President George Bush, left, pats the hand of Ukrainian President Viktor Yushchenko as they hold a joint press meeting at the Presidential Secretariat in Kiev, Ukraine, Tuesday, April 1, 2008.
Security personnel search cultural performers dressed in costume before the arrival of President Bush and Ukraine's President Victor Yushchenko, not shown, Tuesday, April 1, 2008, outside St. Sophia's Cathedra in Kiev, Ukraine.
President Bush, center, greets young cultural performers upon his arrival at St. Sophia's Cathedral in Kiev, Ukraine, Tuesday, April 1, 2008.
President Bush, left, shakes hands with Ukraine's President Victor Yuschenko, right, outside St. Sophia's Cathedral in Kiev, Ukraine, Tuesday, April 1, 2008.
President George W. Bush, center, and first lady Laura Bush, right of him, are seen inside St. Sophia's Cathedral in Kiev, Ukraine, Tuesday, April 1, 2008. Behind and left of Mr. Bush is Ukrainian President Victor Yushchenko and his wife Kateryna, right. Others are unidentified.
Ukrainian riot police officers block demonstrators rallying to protest President Bush's visit and Ukraine's efforts to join NATO in Kiev, Ukraine, Tuesday, April 1, 2008 .Mr. Bush's visit to Ukraine is meant to bolster the ex-Soviet republic's chances of starting the process toward NATO membership.
President George W. Bush waves shortly before boarding Air Force One with first lady Laura Bush at Kiev's Borispil Airport, Ukraine, Tuesday, April 1, 2008.