Ambassador to the United Nations Mike Waltz on Wednesday at a committee hearing. "His entire family is from Cuba and fled the regime," Waltz replied. Ambassador Mike Waltz to cite Rubio's Cuban roots. "It is wild that Mike Waltz thinks he's an expert on Cuba because he's from Florida," he said. Original article source: Mike Waltz confronts leftist Democrat over Cuba trip after Marco Rubio jab: 'His entire family is from Cuba'