Live from Toronto, Canada, watch The Intercept‘s Glenn Greenwald team up with Reddit co-founder Alexis Ohanian to debate state surveillance with former NSA and CIA chief Michael Hayden and Harvard law professor Alan Dershowitz. Greenwald and Ohanian will argue against the motion “be it resolved state surveillance is a legitimate defense of our freedoms.” The event was organized by the Munk Debates and starts at 7:00 p.m. Eastern.