President Donald Trump reacts after signing an executive order on education during an event with governors at the White House, April 26, 2017.

The United States is prepared to kill NAFTA if renegotiation efforts prove fruitless, President Donald Trump said in an interview that aired Sunday.

In the interview with CBS' "Face the Nation," Trump insisted on Saturday that he was going to terminate the agreement with Canada and Mexico, before having a change of heart when the leaders of both countries reached out to him.