60 Minutes — Episode 33: An Unlikely Informant, The Unknown America, King of Crossfit

You are watching the episode An Unlikely Informant, The Unknown America, King of Crossfit Anderson Cooper interviews undercover informant Michael Blutrich, one of the most effective informants ever, according to authorities; then, with over 50 percent of our nation lying underwater, huge discoveries await, says explorer Robert Ballard; and, Sharyn Alfonsi profiles Greg Glassman, creator of the CrossFit workout.