"Let me be clear, Mr. President. How can you drain the swamp if you're the one that keeps muddying the waters? You didn't know about the $130,000 payment to a porn star until you did," Cavuto said. "You insist that money from the campaign or campaign contributions played no role in this transaction. Of that you're sure. The thing is, not 24 hours ago, sir, you couldn't recall any of this. And you seemed very sure."