Aug 10

Lollapalooza 2010 drew more than 240,000 people from all over the country to Chicago's Grant Park for 156 acts -- including headliners Green Day, Soundgarden and pop sensation Lady Gaga. Erykah BaduErykah Badu at Lollapalooza 2010. Photo…

President Barack Obama presented former Beatle Paul McCartney with the Gershwin Prize for Popular Song, on behalf of the Library of Congress. Jim Lehrer has a look at McCartney's serenade to the president and first lady at the White House.