(CNN) Republican Party leaders and prominent senators are sharpening their knives against Ted Cruz, expressing growing alarm over his candidacy as he continues to mount a serious threat in Iowa.
In interviews with CNN, a growing number of Republicans are beginning to echo remarks made by the likes of former Sen. Bob Dole and Iowa Gov. Terry Branstad, warning that the party would suffer deep losses down the ticket and risk electing a Democratic president if the Texas senator wins the nomination.
"I think we'll lose if he's our nominee," said Orrin Hatch, the most senior Republican in the Senate.
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