0Tina Brown: 'We've Reached a Tipping Point in This Industry'After announcing plans to take Newsweek all digital in 2013, Tina Brown joins CBS This Morning with Charlie Rose, Gayle King and Norah O'Donnell to discuss Newsweek's future.Updated Apr. 21, 2017 3:17PM EDT / Published Oct. 19, 2012 12:46PM EDT