It doesn't take a college degree to figure out Republicans see the protests sweeping U.S. college campuses as a winning election-year issue for them. There's proof enough in their plans for a half-dozen congressional hearings, new campaign ads and choreographed confrontations with student protesters. Republican lawmakers are posting videos of themselves being heckled, creating ads tailored to swing-state voters and scheduling events aimed at ensuring the issue remains top of mind for months. As he announced a succession of hearings, House Speaker Mike Johnson described his cause as countering the scourge of campus antisemitism. "We have to act," he said....