With anti-war protests and riot cops on college campuses, and the Democratic Convention taking place in Chicago, CNN’s Michael Smerconish asks, is America headed toward a sequel of 1968? And will it imperil Biden’s re-election chances?With anti-war protests and riot cops on college campuses, and the Democratic Convention taking place in Chicago, CNN’s Michael Smerconish asks, is America headed toward a sequel of 1968? And will it imperil Biden’s re-election chances?