2016 White House hopefuls at the Iowa State Fair
Republican and Democratic presidential candidates woo voters at the Iowa State Fair in the crucially important caucus state.
Here, Republican presidential hopeful and former Florida Gov. Jeb Bush flips a pork chop on a grill at the Iowa Pork Tent during the Iowa State Fair on August 14, 2015 in Des Moines, Iowa.
Jeb Bush eats a pork chop on a stick
Republican presidential hopeful and former Florida Gov. Jeb Bush (R) and Iowa Gov. Terry Branstad eat a pork chop on a stick at the Iowa Pork Tent during the Iowa State Fair on August 14, 2015 in Des Moines, Iowa.
Jeb Bush speaks to fairgoers
Republican presidential hopeful and former Florida Gov. Jeb Bush speaks to fairgoers during the Iowa State Fair on August 14, 2015 in Des Moines, Iowa.
Jeb Bush speaks to fairgoers
Republican presidential hopeful and former Florida Gov. Jeb Bush speaks to fairgoers during the Iowa State Fair on August 14, 2015 in Des Moines, Iowa.
Martin O'Malley speaks to fairgoers
Democratic presidential hopeful and former Maryland Gov. Martin O'Malley speaks to fairgoers during the Iowa State Fair on August 13, 2015 in Des Moines, Iowa.
Martin O'Malley speaks to fairgoers
Democratic presidential hopeful and former Maryland Gov. Martin O'Malley speaks to fairgoers during the Iowa State Fair on August 13, 2015 in Des Moines, Iowa.
Martin O'Malley greets fairgoers
Democratic presidential hopeful and former Maryland Gov. Martin O'Malley (R) greets fairgoers during the Iowa State Fair on August 13, 2015 in Des Moines, Iowa.
Mike Huckabee speaks to fairgoers
Republican presidential hopeful and former Arkansas Gov. Mike Huckabee speaks to fairgoers at the Iowa State Fair on August 13, 2015 in Des Moines, Iowa.
Mike Huckabee tours the 'I Make America' booth
Republican presidential hopeful and former Arkansas Gov. Mike Huckabee (L) and his wife Janet (R) tour the 'I Make America' booth at the Iowa State Fair on August 13, 2015 in Des Moines, Iowa.
Mike Huckabee greets a fairgoer
Republican presidential hopeful and former Arkansas Gov. Mike Huckabee (L) greets a fairgoer at the Iowa State Fair on August 13, 2015 in Des Moines, Iowa.
Jim Webb speaks to fairgoers
Democratic presidential candidate and former U.S. Sen. Jim Webb (D-VA) speaks to fairgoers at the Iowa State Fair on August 13, 2015 in Des Moines, Iowa.
Jim Webb takes a selfie
Democratic presidential candidate and former U.S. Sen. Jim Webb (D-VA) takes a selfie with a fairgoer at the Iowa State Fair on August 13, 2015 in Des Moines, Iowa.
Jim Webb waves from his truck
Democratic presidential candidate and former U.S. Sen. Jim Webb (D-VA) waves from his truck as he leaves the Iowa State Fair on August 13, 2015 in Des Moines, Iowa.
Picking a candidate
A fairgoer places a vote for republican presidential hopeful Ben Carson during the Iowa State Fair on August 14, 2015 in Des Moines, Iowa.
Hillary Clinton walks alongside Tom Harkin
Democratic presidential hopeful and former Secretary of State Hillary Clinton (L) and former U.S. Sen. Tom Harkin (D-IA) walk together to a news conference before touring the Iowa State Fair on August 15, 2015 in Des Moines, Iowa.
Hillary Clinton eats a pork chop on a stick
Democratic presidential hopeful and former Secretary of State Hillary Clinton holds a Pork Chop on a Stick as she tours the Iowa State Fair on August 15, 2015 in Des Moines, Iowa.
Hillary Clinton carries a lemonade while greeting fairgoers
Democratic presidential candidate Hillary Clinton eats a pork chop on a stick and carries a lemonade while greeting fairgoers at the Iowa State Fair on August 15, 2015 in Des Moines, Iowa.
Hillary Clinton hugs a friend
Democratic presidential hopeful and former Secretary of State Hillary Clinton hugs a friend while touring the Iowa State Fair on August 15, 2015 in Des Moines, Iowa.
Donald Trump speaks to reporters and fairgoers
Republican presidential candidate businessman Donald Trump speaks with reporters after arriving at the Iowa State Fair on August 15, 2015 in Des Moines, Iowa.
Donald Trump takes a selfie with a fairgoer
Republican presidential candidate Donald Trump greets fairgoers while campaigning at the Iowa State Fair on August 15, 2015 in Des Moines, Iowa.
Donald Trump eats a pork chop on a stick
Republican presidential candidate Donald Trump eats a pork chop on a stick while campaigning the Iowa State Fair on August 15, 2015 in Des Moines, Iowa.
Bernie Sanders mingles with the crowds
Democratic presidential candidate U.S. Sen. Bernie Sanders (I-VT) speaks at the Des Moines Register Soapbox at the Iowa State Fair on August 15, 2015 in Des Moines, Iowa.
Bernie Sanders addresses fairgoers
Democratic presidential candidate U.S. Sen. Bernie Sanders (I-VT) speaks at the Des Moines Register Soapbox at the Iowa State Fair on August 15, 2015 in Des Moines, Iowa.
Bernie Sanders addresses fairgoers
Democratic presidential candidate U.S. Sen. Bernie Sanders (I-VT) speaks to fairgoers at Iowa State Fair on August 15, 2015 in Des Moines, Iowa.
Ben Carson flips a pork burger
Republican presidential hopeful Ben Carson (C) flips a pork burger at the Pork Tent while touring the Iowa State Fair on August 16, 2015 in Des Moines, Iowa.
Ben Carson speaks to fairgoers
Republican presidential hopeful Ben Carson speaks during the Iowa State Fair on August 16, 2015 in Des Moines, Iowa.
Ben Carson eats a slice of pizza
Republican presidential hopeful Ben Carson (L) eats a piece of pizza while touring the Iowa State Fair on August 16, 2015 in Des Moines, Iowa.