A shipping vessel that could clog the Suez Canal for weeks is the latest piece added to an ever-evolving conspiracy theory about former Secretary of State Hillary Clinton and other members of a so-called “deep state” and links to human trafficking. Communications channels where QAnon conspiracy theories spread were humming this week about a connection between Clinton and the quarter-mile-long ship that ran aground as high winds cut across the canal. Those seeped into mainstream social media as well, including posts on Facebook and Instagram, where users tied Clinton’s Secret Service codename to the ship and suggested its radio call...