Mark Pincus; Michael Specter; Annabelle Selldorf

Founder and C.E.O. of Zynga Mark Pincus talks about creating online applications and gaming through social networking sites. Author Michael Specter examines irrational thinking and hysteria surrounding various topics like organic food and vaccines, as he does in his book "Denialism." Architect Annabelle Selldorf discusses her firm's clients and various projects.