First lady Michelle Obama describes a recent trip to Target to David Letterman.
Mitt Romney will win the Republican presidential primary in Puerto Rico, CNN projects, based on vote results.
CNN’s Dr. Sanjay Gupta discusses a new shock campaign from the CDC aimed at smokers.
James Laski discusses what life will be like for Rod Blagojevich in prison.
The parents of a soldier in Afghanistan says they’re worried he might be the target of a Taliban revenge attack.
Land owners get rich from fracking, but don’t know about well violations in their backyards. CNN’s Poppy Harlow reports.
CNN meteorologist Chad Myers makes a broom stand upright on its own but refutes a viral explanation for the phenomena.
A US soldier is accused of killing 16 Afghan civilians. A clinical psychologist discusses how this could happen.
Invisible Children filmmaker Jason Russell and CEO Ben Keesey address criticism about “Kony 2012.”