acknowledged that he made up a claim about having a trade deficit when speaking to Canadian Prime Minister Justin Trudeau?

Trump explained to donors that when he was told by the Prime Minister that the US didn’t have in fact have a trade deficit with Canada, he said:

“‘Wrong, Justin, you do.’ I didn’t even know. I had no idea. I just said, ‘You’re wrong.'”

CBS News – Trump tells donors he made up trade claim in Trudeau talk
The New York Times – Trump Says He Made Up Deficit Claim in Talk with Trudeau, Baffling Canadians
The Washington Post – In fundraising speech, Trump says he made up trade claim in meeting with Justin Trudeau