Glenn Greenwald was one of the first reporters to see -- and write about -- the Edward Snowden files, with their revelations about the United States' extensive surveillance of private citizens. In this searing talk, Greenwald makes the case for why you need to care about privacy, even if you're "not doing anything you need to hide."

There's an organization responsible for more terrorism plots in the United States than al-Qaeda, al-Shabaab and ISIS combined: The FBI. How? Why? In an eye-opening talk, investigative journalist Trevor Aaronson reveals a disturbing FBI practice that breeds terrorist plots by exploiting Muslim-Americans with mental health problems.