2013 Critics' Choice Awards Backstage: Patton Oswalt Talks Winning Best...

2013 Critics' Choice Awards Backstage: Patton Oswalt Talks Winning Best Guest Performer

Patton Oswalt chats with AccessHollywood.com’s Laura Saltman about winning Best Guest Performer for his role on NBC’s “Parks and Recreation.” Plus, did Patton have any idea his open letter about the Boston Marathon bombings would go viral?