....When — if? — Trump withdraws from the campaign, he will no longer have a ready landing pad on television. (His Apprentice deal with NBC has been canceled, too.) This is a prospect that is likely terrifying for Trump — and should, in turn, be terrifying for Bush. In a recent phone call with a longtime friend who has been acting as an informal adviser, Trump warned: “If I’m going down, then Bush is going down with me. He’s not going to be president of the United States.”