King Charles' U.S. visit to start Monday amid strained U.S.-U.K. relations

Britain's King Charles will visit the U.S. starting on Monday to mark America's 250th anniversary – his first trip since his coronation nearly three years ago. Buckingham Palace has said the visit "will celebrate the historic connections and the modern bilateral relationship between the United Kingdom and the United States." But it comes at a time when the normally close relationship between the U.S. and Europe is strained. For decades, the U.S. and the U.K. …