The headline in Salon blared, “Fourth of July's ugly truth exposed: The Declaration of Independence is sexist, racist, prejudiced,†leading Commentary editor Noah Rothman to tweet out, “So woke, you’re on George III’s side.â€But it must be difficult for the left to figure out how to square Great Britain, be it post-American Revolution or post-Brexit, since when you look deeply, you realize the that Britons had to face some tough realities—navigating Brexit being the latest. There were twin circumstances driving the decision of a majority of Britons to leave the EU—circumstances that the United States is grappling with too: immigration,...