If former president Donald Trump’s case ever makes it to court, federal prosecutors will use his own words against him — spoken on national TV to Fox News host Bret Baier on Monday. I’m not a lawyer. I don’t even play one on internet video. So when it comes to stories like this one, there are a few people I turn to for sharp analysis and good advice. On the surface at least, what Trump said could cause him trouble in court. When Baier asked, “Why not just hand [the documents] over then?” Trump replied, “Because I had boxes —...