Celebrated and condemned, welcomed and muzzled [Video]

NEW YORK (AP) — They’re hallmarks of American history: protests, rallies, sit-ins, marches, disruptions. They date from the early days of what would become the United States to the sights and sounds echoing across the landscapes of the nation’s colleges and universities during this activist spring.

And just as much a part of that American history? Those same events being met with irritation, condemnation, anger, calls to desist, and at times the use of law enforcement and aggressive tactics to make that happen.