Graham: GOP is at risk of breaking apart
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Sen. Lindsey GrahamLindsey Olin GrahamOvernight Defense: Trump weighs leaving some troops in Syria to 'secure the oil' | US has pulled 2,000 troops from Afghanistan | Pelosi leads delegation to Afghanistan, Jordan US troops leaving Syria cross into Iraq Graham says he's open-minded on supporting impeachment: 'Sure, I mean show me something that is a crime' MORE (R-S.C.) warned on Sunday that Republican presidential front-runner Donald TrumpDonald John TrumpTrump says he doesn't want NYT in the White House Veterans group backs lawsuits to halt Trump's use of military funding for border wall Schiff punches back after GOP censure resolution fails MORE is putting the party at risk of breaking apart.

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In a radio interview with John Catsimatidis, the former presidential candidate explained his reasoning for backing Texas Sen. Ted CruzRafael (Ted) Edward CruzThe Hill's Morning Report - Presented by Better Medicare Alliance - Trump has had a rough October Hillicon Valley: GOP lawmakers offer election security measure | FTC Dem worries government is 'captured' by Big Tech | Lawmakers condemn Apple over Hong Kong censorship Lawmakers condemn Apple, Activision Blizzard over censorship of Hong Kong protesters MORE, someone he has butted heads with in the past.

“I’m supporting Cruz because I think he is a reliable conservative; I think the election will be much more competitive with Ted Cruz,” he said. “The people of New York voted overwhelmingly for Donald Trump in the Republican primary — I respect that.

“I have never been more worried about the Republican Party breaking apart than I am today.”

Graham said the silver lining of Trump’s rise is that it means people are tired of “big-government liberalism.”

“What we have to do as Republicans is offer an alternative that’s common sense, that people can understand, that’s hopeful and optimistic, not hateful," he said. "I pray the Republican Party can nominate somebody that can beat [Democratic presidential front-runner] Hillary ClintonHillary Diane Rodham ClintonSanders: 'Outrageous' to suggest Gabbard 'is a foreign asset' Clinton attacks on Gabbard become flashpoint in presidential race Saagar Enjeti: Clinton remarks on Gabbard 'shows just how deep the rot in our system goes' MORE, because if she wins we’re going to have a third term of Barack ObamaBarack Hussein ObamaUK judge denies Assange bid to delay extradition hearing Trump's eye-opening scorecard on border security Why Americans should look at the Middle East through the eyes of its youth MORE.”