Sparks will fly in Washington as activists torch an American flag to protest President Trump's July Fourth "Salute to America," which Trump claims will be one of the largest events in city history. Longtime flag-burning activist Gregory "Joey" Johnson of the Revolutionary Communist Party told the Washington Examiner, "I'm going to be there in D.C.," and "that rag of empire and oppression is going to burn." Johnson is well known for winning a 1989 Supreme Court case that invalidated state laws against flag burning. He declined to share the time and location of next week's protest or say how many...