When I'm watching somebody act, it's a behavior editorial function - I look at someone act, and I might say, 'I don't believe him when he says that.' I don't know why I don't believe him, probably because the people that I've met, they don't act like that when they say stuff like that and mean it.
No, I've been singing forever. I started out doing musicals. I think that was part of the reason why they gave me the part, because I sang.
I had no difficulty as Secretary of Defense moving from the Bush administration to the Obama administration.