It's All Politics, Apr. 4, 2013
President Obama launches a brain mapping initiative, but he can't concentrate enough to shoot better than 2-for-22 on the basketball court during the annual White House Easter Egg Roll. Mark Sanford wins the GOP runoff in South Carolina and faces Stephen Colbert's sister next month. Plus, NPR's Ron Elving and health correspondent Julie Rovner on the NRA's proposal of having armed guards in schools.