Stewart: "I don't even know how to bring this up. Obviously, your-- your-- your mother is from Kansas. She's a white woman. Your father, African. Are you concerned that you may go into the voting booth, and--"
Obama: "I won't know what to do!"
Stewart: "Your white half will all of a sudden decide, 'I can't do this!'"
Obama: "Yeah. Yeah. It's a problem."
Jon Stewart and Barack Obama discuss how Obama's biracial background will inform his decision on Election Day.