Billionaire Donald Trump Stays at Holiday Inn Express in Iowa

'Duck Dynasty' Star Willie Robertson Endorses Trump After His Dad Backs Cruz

Ben Carson Campaign Volunteer, 25, Is Killed in Car Crash

Sarah Palin's Son Track, 26, is Arrested For Allegedly Punching His Girlfriend

Trump: I'd Give Sarah Palin a Role in My Administration

Will Sarah Palin Endorse Trump? Intrigue Swirls Around Campaign's Mystery Announcement

Bill Clinton's Hand Appears to Tremble As He Campaigns for Hillary in Iowa

Trump Responds After Cruz Slams 'New York Values': No One Should Be Attacking 20 Million People

President Barack Obama Delivers His Last State of the Union Address, With Humor

Pregnant Chelsea Clinton Joins Her Mom's Campaign Trail