An aide to two former Republican House Speakers is warning that Donald Trump must have another debate. Speaking to MSNBC on Friday, Brendan Buck said that Trump may not want to do another debate, “but he’s probably going to find out that he has to.” Trump posted on his Truth Social account in all capital letters that there would not be a third debate. It’s a dramatic shift from his previous claim in July: “Anywhere, anytime.” Want more breaking political news? Click for the latest headlines at Raw Story. Read Also: Marco Rubio explains Trump’s bizarre stories aren’t anything new — so people wo…