President Trump warned Saturday that his former ally Elon Musk will face “very serious consequences” if he starts bankrolling Democratic candidates for office after their nasty public split over a Republican spending bill working its way through Congress. “If he does, he’ll have to pay the consequences for that,” Trump told NBC News’ Kristin Welker in an interview. “He’ll have to pay very serious consequences if he does that,” the president added. “Is there anything else you just want people to know about the status,” Welker asked. “No, not at all. We’re doing great,” Trump replied. “The bill is great....