Democratic party voters sit in the living room of a private residence during the first-in-the-nation Iowa caucus in rural Deep River, Iowa, U.S., on Monday, Feb. 1, 2016. Senator Ted Cruz of Texas won the Iowa Republican caucuses in an upset over billionaire Donald Trump, while Democrat Hillary Clinton was clinging to a narrow edge over Senator Bernie Sanders of Vermont. Photographer: Patrick T. Fallon/Bloomberg via Getty Images
