Republican presidential candidate Donald Trump greets supporters before speaking at a campaign rally in Davenport, Iowa, on Dec. 5.
Republican presidential candidate Donald Trump greets supporters before speaking at a campaign rally in Davenport, Iowa, on Dec. 5. Charlie Neibergall The Associated Press
Republican presidential candidate Donald Trump greets supporters before speaking at a campaign rally in Davenport, Iowa, on Dec. 5. Charlie Neibergall The Associated Press