Donald Trump tore into his former rival Ted Cruz on Friday morning, saying he would not accept the Texas senator’s endorsement and threatening to fund a Senate challenger against Cruz. "If he gives it, I will not accept it," Trumpsaid at a Friday morning press conference in Cleveland. "He’ll come and endorse in the next little while because he has no choice,” Trump added. “I don’t want his endorsement. Ted, stay home, relax, enjoy yourself."