Hillary Clinton’s life in the public eye

As Hillary Clinton prepares to accept the Democratic nomination for president, two biographers look back at her growth as a politician. Mark Lander, who wrote "Alter Egos: Hillary Clinton, Barack Obama and the Twilight Struggle Over American Power," and Michael Tomasky, who wrote "Hillary's Turn: Inside Her Improbable, Victorious Senate Campaign,” join Hari Sreenivasan.