We sat down with veteran Republican strategist Roger Stone this week to talk about the 2012 presidential election, and find out what really goes on inside presidential campaigns. Stone, a self-described "GOP hitman," told us what it was like to work for Richard Nixon -- hint: "shady" -- and gave us his take on the whole birth certificate issue. Click below to watch the interview. Video Part 2 - Roger Stone Discusses The Dark Arts of the Nix... GET THE INSIDE SCOOP ON PRESIDENTIAL POLITICS Subscribe to the StoneZone here