
Republican presidential candidate Donald Trump poses with a ring given to him by a group of veterans in Des Moines, Iowa, on Thursday, January 28. Trump skipped the latest GOP debate in favor of a campaign rally, where he announced that he had raised more than $6 million for veterans -- $1 million from his own pocket.

Fox News anchor Megyn Kelly is seen on television screens as she moderates the Republican presidential debate in Des Moines, Iowa, on Thursday, January 28.

Democratic presidential candidate Hillary Clinton speaks at a campaign event in Newton, Iowa, on Thursday, January 28.

Jonathan Van Norman, a field staffer for U.S. Sen. Rand Paul, loads campaign material into a van after the Republican presidential candidate attended a town-hall meeting in Knoxville, Iowa, on Friday, January 29.

A supporter of U.S. Sen. Bernie Sanders takes a smoke break before the Democratic presidential candidate held a campaign event in Des Moines, Iowa, on Tuesday, January 26.

Journalist Jason Rezaian, second from right, is applauded during the inauguration of The Washington Post headquarters on Thursday, January 28. A day earlier, Rezaian visited the newspaper for the first time since he and three others were freed from an Iranian prison.

McCoy Wicker, 5, takes pictures of U.S. Sen. Marco Rubio during a presidential campaign rally in Council Bluffs, Iowa, on Saturday, January 30.

Heidi Cruz whispers to her husband, U.S. Sen. Ted Cruz, as they are introduced at a campaign event in Ringsted, Iowa, on Friday, January 29. Cruz is seeking the Republican Party's nomination for President.

Republican presidential candidate Jeb Bush is seen through a curtain as he speaks at an event in Des Moines, Iowa, on Wednesday, January 27.

Republican presidential candidate Rick Santorum points to his target during a campaign stop at a shooting range in Boone, Iowa, on Saturday, January 30.

Ohio Gov. John Kasich, a Republican presidential candidate, has his hair cut in Manchester, New Hampshire, on Monday, January 25.

Democratic presidential candidate Martin O'Malley speaks at a town-hall event in Grinnell, Iowa, on Wednesday, January 27.

Republican presidential candidate Carly Fiorina speaks during a campaign stop in Oskaloosa, Iowa, on Wednesday, January 27.

New Jersey Gov. Chris Christie, a Republican presidential candidate, talks with a supporter before a news conference in Concord, New Hampshire, on Monday, January 25.

Former U.S. President Bill Clinton poses for a selfie during a pro golf event in La Quinta, California, on Sunday, January 24.