Ted Cruz on the campaign trail (50 images)

Texas Sen. Ted Cruz is running against a large field of GOP candidates, including real estate mogul Donald J. Trump, Florida Sen. Marco Rubio and retired neurosurgeon Ben Carson in the presidential primaries ahead of the 2016 election.

Sen. Ted Cruz (R-TX) walks in the snow as he steps off his "Cruzin' to Caucus" bus as he arrives to campaign at the King's Christian Bookshop, January 4, 2016, in Boone, Iowa. Photo by Mike Theiler/UPI

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Sen. Ted Cruz (R-TX) makes remarks to supporters, surrounded by media, as he campaigns at the King's Christian Bookshop, January 4, 2016, in Boone, Iowa. Photo by Mike Theiler/UPI

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Sen. Ted Cruz (R-TX) greets supporters as he campaigns at the King's Christian Bookshop, January 4, 2016, in Boone, Iowa. Photo by Mike Theiler/UPI

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Sen. Ted Cruz (R-TX), 2016 Republican presidential candidate, (L) gets face-to-face with a supporter as he campaigns at the King's Christian Bookshop, January 4, 2016, in Boone, Iowa. Photo by Mike Theiler/UPI

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