Campus unrest: Will protests make a difference?

It's been an unsettling time on American college campuses, where protests over the war in Gaza fueled by social media have divided students, faculty and administrators. Why are the protests breaking out now? And are they effective? Correspondent David Pogue talks to Michael Kazin, a veteran of the 1960s anti-war protests; Dan Mogulof, UC Berkeley public affairs officer; and Georgetown University protest organizer Selina al-Shihabi on the tensions between free speech and public safety.