Marco RubioMarco Antonio RubioConfirmation hearing for Biden's DNI pick postponed McConnell about to school Trump on political power for the last time The Hill's Morning Report - Trump impeached again; now what? MORE ridiculed Donald TrumpDonald TrumpEx-Trump lawyer Cohen to pen forward for impeachment book Murkowski says it would be 'appropriate' to bar Trump from holding office again Man known as 'QAnon Shaman' asks Trump for pardon after storming Capitol MORE's approach to finding Middle East peace, saying that Israeli-Palestinian talks are not like a real estate deal.

"The Palestinians are not a real estate deal, Donald," the White House contender said in Thursday night's CNN Republican debate in Houston.

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Rubio and Ted CruzRafael (Ted) Edward CruzMcConnell about to school Trump on political power for the last time Trump impeachment ignites GOP civil war GOP lawmaker gives up honorary college degree in wake of Electoral College vote MORE both hit the billionaire businessman for saying that he would be a neutral broker in peace negotiations between the Israelis and the Palestinians.

Both Rubio and Cruz say they would stand unequivocally with Israel, while the party front-runner argues that neutrality is required to make what would be "probably the toughest deal of any kind."

"A deal is a deal," Trump replied, when Rubio made the point that Middle East peace talks had nothing to do with negotiating real estate.

Rubio hit back: "A deal is not a deal when you're dealing with terrorists. Have you ever negotiated with terrorists?"

Trump, who was under attack from the Florida senator all night, replied, "You are not a negotiator. And with your thinking you will never bring peace."

"Donald might be able to build condos in the Palestinian areas, but ... this is not a real estate deal," Rubio said to close the exchange.