Ted Cruz

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Republican presidential candidates, from left, Ohio Gov. John Kasich, New Jersey Gov. Chris Christie, Sen. Marco Rubio, R-Fla., businessman Donald Trump, Sen. Ted Cruz, R-Texas, retired neurosurgeon Ben Carson and former Florida Gov. Jeb Bush participate during the Fox Business Network Republican presidential debate at the North Charleston Coliseum, Thursday, Jan. 14, 2016, in North Charleston, S.C. (AP Photo/Chuck Burton) ** FILE **

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Republican presidential candidates, from left, Ohio Gov. John Kasich, New Jersey Gov. Chris Christie, Sen. Marco Rubio, R-Fla., businessman Donald Trump, Sen. Ted Cruz, R-Texas, retired neurosurgeon Ben Carson and former Florida Gov. Jeb Bush take the stage before the Fox Business Network Republican presidential debate at the North Charleston Coliseum, Thursday, Jan. 14, 2016, in North Charleston, S.C. (AP Photo/Rainier Ehrhardt)

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Republican presidential candidates Donald Trump and Sen. Ted Cruz squared off repeatedly during the Fox Business Network Republican presidential debate Thursday in North Charleston, S.C. (Associated Press)

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Republican presidential candidate Sen. Ted Cruz, R-Texas, speaks Tuesday, Jan. 12, 2016, during a campaign stop at Granite State Indoor Range in Hudson, N.H. (AP Photo/Matt Rourke)

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FILE - In this Jan 4, 2016 file photo, Republican Presidential candidate, Sen. Ted Cruz, R-Texas, campaigns at Penny's Diner in Missouri Valley, Iowa. Tea party flame-thrower Ted Cruz is showing voters his softer side during his presidential campaign in Iowa, whether through his joke-laced stump speech or one-on-one interactions. (AP Photo/Nati Harnik, File)

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Republican presidential hopeful Ted Cruz speaks in Oklahoma City. Cruz's reputation as an arrogant, grating, in-your-face ideologue has dogged him throughout the Republican presidential race.(AP Photo/J Pat Carter, File)

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Republican presidential candidate Sen. Ted Cruz of Texas signs a copy of the Declaration of Independence as he campaigns Tuesday in Knoxville, Tennessee. Mr. Cruz is well-poised to take advantage of the social conservatives who dominate the Republican Party in the South and is trying to woo libertarian-leaning tea party types. (Associated Press)

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Senator Ted Cruz sits down with Tim Constantine and says if elected, he'll bring a Cuban tradition to the White House on Christmas Eve.

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Sen. Ted Cruz embarks on a 12-city "Take Off With Ted" tour immediately after the Republican presidential debate Tuesday night. (Cruz for President)

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Republican presidential candidate, Sen. Ted Cruz of Texas, said as president he would "do whatever is necessary" to defeat the Islamic State, including arming Kurdish forces and stepping up airstrikes. He left the door open for U.S. boots on the ground. (Associated press)

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Atop the ballot leaderboard sits Sen. Ted Cruz, who has qualified in 24 states and territories, has filed in 13 more and plans to register soon in three more states, according to his campaign spokesman Rick Tyler. That would bring Mr. Cruz's official filings to 40 states and territories. (Associated Press)

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Tim Constantine reports on House efforts to screen Syrian refugees, Ted Cruz challenging President Obama, and a Hollywood celebrity who could be facing a mountain of lawsuits.

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Tim Constantine reports on immigration as an election issue for Ted Cruz and the rest of the Republican field, Democratic poll numbers heading into their weekend debate, and a surprising change for actor Robert De Niro.

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Republican presidential candidates, from left, Carly Fiorina, Ted Cruz, Chris Christie, and Rand Paul take the stage during the CNBC Republican presidential debate at the University of Colorado, Wednesday, Oct. 28, 2015, in Boulder, Colo. (AP Photo/Brennan Linsley)

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Republican presidential candidates (from left) Rick Santorum, George Pataki, Rand Paul, Mike Huckabee, Marco Rubio, Ted Cruz, Ben Carson, Donald Trump, Jeb Bush, Scott Walker, Carly Fiorina, John Kasich and Chris Christie take the stage during the CNN Republican presidential debate at the Ronald Reagan Presidential Library and Museum on Wednesday in Simi Valley, Calif. (Associated Press) ** FILE **

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Republican presidential candidates Ted Cruz, left, Ben Carson, second from left, Donald Trump, second from right, and Jeb Bush appear during the CNN Republican presidential debate at the Ronald Reagan Presidential Library and Museum on Wednesday, Sept. 16, 2015, in Simi Valley, Calif. (AP Photo/Mark J. Terrill)

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Republican presidential candidate, Sen. Ted Cruz, R-Texas, speaks during the CNN Republican presidential debate at the Ronald Reagan Presidential Library and Museum on Wednesday, Sept. 16, 2015, in Simi Valley, Calif. (AP Photo/Mark J. Terrill) ** FILE **

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Concerned Veterans for America wants presidential candidates to hold town-hall meetings to address issues like the one Sen. Ted Cruz attended last week (Associated Press)