The Homeland Security Department designated the march a “level 1” security event, the highest classification in its system and one usually used for the Super Bowl and other major events, two law enforcement officials told The Associated Press. The designation means the event required substantial law enforcement assistance from federal agencies, the officials said.A succession of speakers took the stage, overlooking a sea of Israeli and U.S. flags, to denounce Hamas' bloody incursion Oct. 7 and what the speakers said was a virulent spread of antisemitism internationally, “an embarrassment to all civilized people and nations,” in the words of Israeli...