Police have arrested a Missouri man they believe intentionally crashed a U-Haul truck into a security barrier at a park across from the White House. The box truck’s driver smashed into the barrier near the north side of Lafayette Square on Monday around 10 pm, the Secret Service said in a statement. He was identified as 19-year-old Sai Varshith Kandula, of Chesterfield, Missouri, a St. Louis suburb. No one was injured in the crash. After the crash, Kandula exited the truck with a Nazi flag and started shouting as Park Police and Secret Service officers approached him, two people familiar...