The echoes of 2016 are unmistakable. Social media is flowing with outright falsehoods and dubious allegations — and, this time, the president of the United States is helping promote it.
In the most disgusting exchange of his Thursday night town hall on NBC, Trump was unapologetic about retweeting a conspiracy theory promoted on a far-right QAnon account that Navy SEAL Team 6 killed a body double of terrorist Osama bin Laden in May 2011,…