If anyone knows a thing or two about the threat of authoritarianism from Donald Trump, it’s Hillary Clinton. Gleeful chants of “lock her up” were almost as prevalent in the 2016 presidential campaign as the “make American great again” slogan. This campaign year, there seems to be an endless list of people Trump wants to lock up, deport and execute. So, when MSNBC's Joe Scarborough told her about his concern the U.S.