On Saturday, Trump responded via Twitter, saying if Romney “spent the same energy fighting Barack Obama as he does fighting Donald Trump, he could have won the race (maybe)!”

U.S. President Donald Trump is firing back at former rival Mitt Romney after Romney said that Trump caused “dismay” around the world.

U.S. President-elect Donald Trump planned a Saturday meeting with Mitt Romney, the 2012 Republican presidential nominee and fierce Trump critic, and may discuss whether he should be a candidate for secretary of state.