Social media companies like Facebook, Instagram, YouTube and Twitch suspended President Donald Trump's accounts after last Wednesday's deadly attack on the Capitol. Concern followed about whether the big tech companies violated the leader of the free world's First Amendment rights. A University of Virginia School of Law professor weighs in. "Because the deplatforming from Twitter and Facebook is the action of private companies and the First Amendment only applies to state actors, that is to the federal government or the state governments, and because Twitter and Facebook and other social media...