A Thousand Lives a Month?/The Pursuit of Happiness/Gustavo the Great

"A Thousand Lives a Month?" investigates the dangers of the heart surgery drug Trasylol. "The Pursuit of Happiness" visits Denmark which researchers claim is the happiest country in the world. "Gustavo the Great" interviews classical music conductor Gustavo Dudamel. "Andy Rooney" visits the 132nd Westminster Kennel Club Dog Show.