King Charles III marked the 250th anniversary of American independence from Britain with gratitude that the two countries united to build “one of the most consequential alliances in human history” while urging “that we ignore the clarion calls to become ever more inward-looking.” Speaking Tuesday to a joint session of the U.S. Congress, Charles repeatedly highlighted the historical and cultural ties that he said have cemented an enduring bond between the United States and the United Kingdom. ...