Republican presidential candidate Ted CruzRafael (Ted) Edward CruzProspects for Trump gun deal grow dimmer Ted Cruz knocks New York Times for 'stunning' correction on Kavanaugh report 2020 Democrats call for Kavanaugh to be impeached MORE laid into Fox News's moderators during Thursday night's debate, jokingly threatening to leave the stage if they keep asking "mean" questions.
 
Turning to moderator Chris WallaceChristopher (Chris) WallaceAmash says Sanford presidential bid won't impact decision on whether he runs in 2020 Trump labels GOP challengers the 'Three Stooges' Pompeo: Taliban talks are dead 'for the time being' MORE, Cruz said, "I would note that the last four questions have been, 'Rand, please attack Ted. Marco, please attack Ted. Chris, please attack Ted. Jeb, please attack Ted.' 
 
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"Gosh, if you guys ask one more mean question, I may have to leave the stage," the Texas senator added, in a shot at front-runner Donald Trump's decision to withdraw from the Republican debate over his battle with Fox News host Megyn Kelly.
 
Cruz, who is vying with Trump to win Monday's Iowa caucuses, has been criticizing the billionaire as being too thin-skinned to answer tough questions and too arrogant to submit himself before Iowa voters at Thursday night's Des Moines debate.
 
After Cruz finished his speech, rival Marco Rubio said: "Don't worry. I'm not leaving the stage, no matter what you ask me."