Presidential Candidate Donald Trump Makes Last Campaign Stops Before The Iowa Caucus [Getty Images]

The shadow of Donald Trump, president and chief executive of Trump Organization Inc. and 2016 Republican presidential candidate, is cast on a flag as he speaks during a campaign event in Cedar Rapids, Iowa, U.S., on Monday, Feb. 1, 2016. Trump's I'll-say-whatever-I-want style works in Iowa, where he led Republican polls ahead of Monday's caucuses, the first electoral event of the 2016 presidential election. Photographer: Patrick T. Fallon/Bloomberg via Getty Images

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