Donald Trump Donald John TrumpREAD: Cohen testimony alleges Trump knew Stone talked with WikiLeaks about DNC emails Trump urges North Korea to denuclearize ahead of summit Venezuela's Maduro says he fears 'bad' people around Trump MORE is accusing Sen. Ted Cruz Rafael (Ted) Edward CruzCornyn less popular than Cruz in Texas: poll Trump unleashing digital juggernaut ahead of 2020 Inviting Kim Jong Un to Washington MORE (R-Texas) of stealing his plan to reform immigration.

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The businessman said he was the first candidate in the Republican primary field to come up with the idea to build a wall on the U.S.-Mexico border.“In fact, I was watching the other day, and I was watching Ted talk, and he said, ‘We will build a wall.’ The first time I’ve ever heard him say it,” Trump said in an interview broadcast Sunday on CBS’s “Face the Nation.”“And my wife, who was sitting next to me, said ‘Oh, look, he’s copying what you’ve been saying for a long period of time,’” he added.“And I was strong on the border, and I’m the one who came up with it.”The Republican primary front-runner also said he is not worried about polls that show him trailing Cruz in the first-in-the-nation Iowa caucuses, which are less than a month away.“You know, nobody says it, in Iowa, the CNN poll, it’s 33 to 20 that I’m leading. Ted Cruz is second,” he said. “Nobody ever talks about that poll.”“I have a real good feeling with Iowa,” he said.