Sen. Ted Cruz prays before the start of his Religious Liberty Rally last weekend in Des Moines, Iowa. The event was part of Cruz's push to energize evangelical voters. Scott Olson/Getty Images hide caption

Don Gonyea
Tuesday
Saturday
Republican presidential candidate Donald Trump speaks at a press conference Wednesday prior to a town hall meeting at Pinkerton Academy in Derry, N.H. Matthew Healey/UPI/Landov hide caption
Will GOP's Efforts To Reach Out To Hispanics Survive These Primaries?
Tuesday
Republican presidential candidate and Wisconsin Gov. Scott Walker speaks at the Iowa State Fair, where he encountered protesters over his record in Wisconsin. Charlie Neibergall/AP hide caption
Monday
As Popularity Erodes, Walker Hopes To Reignite The Flame At Iowa State Fair
Saturday
It's A Party In Iowa — And Just About All The Candidates Are Invited
Democratic presidential candidate Hillary Clinton speaks at the Iowa Democratic Wing Ding on Friday in Clear Lake, Iowa. Win McNamee/Getty Images hide caption
'Same Old Partisan Games,' Clinton Says Of Attacks Regarding Emails
Friday
The Federal Election Commission might not approve the methods of WHO-TV's Corn Caucus at the Iowa State Fair. But voting in jars does allow for transparency. Don Gonyea/NPR hide caption
Thursday
In 2007, then-candidate Barack Obama rode bumper cars at the Iowa State Fair with his daughter Sasha. M. Spencer Green/AP hide caption
Saturday
Friday
First Republican Debate Was Wide-Ranging, But All Orbited Around Trump
Tuesday
Thursday
Jimmy Hoffa (walking at left in front) leads a parade of supporting delegates to the Teamsters Union Convention in Miami Beach in 1957. AP hide caption