Donald Trump’s defense will likely have to come up with an alternate scenario if the former president is going to escape conviction in his hush money cover-up case, a former federal prosecutor said on Thursday. “So that’s their big problem is sort of taking small pieces and stringing together a narrative that actually holds water,” said former top prosecutor for ex-FBI chief Robert Mueller, Andrew Weissmann, during a panel discussion on with MSNBC’s Nicolle Wallace. That includes weaving together the key testimonies from past witnesses like former White House aide Hope Hicks and National Enqui…