President-Elect Donald Trump Holds Iowa 'Thank You' Tour Rally

U.S. President-elect Donald Trump gestures as he speaks during an event in Des Moines, Iowa, U.S., on Thursday, Dec. 8, 2016. Trump said China will soon have to "play by the rules" as he introduced governor of Iowa Terry Branstad, the man he intends to nominate as his emissary to the U.S.s largest economic rival and most important trading partner. Photographer: Daniel Acker/Bloomberg via Getty Images