Shaun King logged back on to Twitter to clap back at Donald Trump Jr. — a day after the controversial Black Lives Matter activist had apparently left the site following Elon Musk’s $44 billion acquisition of the social media giant. King on Monday appeared to delete his account for good after Twitter’s board announced that it had accepted Musk’s offer to buy the firm and take it private, with some users tweeting out screenshots of King’s blank home page. When King’s Twitter status became a trending topic, Don Jr. tweeted that the possibility of his deleting his account would “alone”...