A new investigation finds Richard Aoki, a leader of the Black Panthers and long revered as a radical student leader, was actually working for the FBI as an informant. And, it's been seven years since Hurricane Katrina devastated New Orleans, but the rebuilding process still goes on. We'll find out why residents are still waiting for help with author Daniel Wolff. We get the latest on the Apple vs. Samsung patent case. Who's the bigger copycat? Swimmer Diana Nyad's journey between Cuba and Florida ran into an unexpected obstacle: jellyfish. And Luke Burbank is back with Awesome/Not Awesome.