Trapped in Unemployment - As the number of Americans without work for a year or two rises into the millions, Scott Pelley reports on a program designed to help the long term unemployed back into the workplace. Treating Depression -A Harvard psychologist says drugs used to treat depression do work, but for the most part, it's not the chemical that's making people feel better, it's the placebo effect. The Mozart of Chess -Grandmaster Magnus Carlsen is the number one chess player in the world and he loves to see his opponents squirm.