Yosemite free climbers complete their gripping feat

Two climbers successfully scaled the near-vertical slab of El Capitan's Dawn Wall in Yosemite National Park, using their fingers and feet without additional aids. After 19 days, Tommy Caldwell and Kevin Jorgeson are the first to free climb the entire granite face. Gwen Ifill talks to Chris Weidner of the Boulder Daily Camera about their pinnacle achievement.