"And I think the first indication [of the reaction in the room] was the Wolf Blitzer joke, which to me was more tongue in cheek than anything else, you know? I think it came off harsher than how I had initially intended it. It seemed like a hard comment, but I really meant it more roasty. Because I saw all of this as a roast, really. Like, in other words, I have nothing against Wolf Blitzer. He’s a nice guy. I’m just giving my observation on that. And just trying to be snarky about it, but it came across pretty cold-blooded."
More at the link, including discussion of why he addressed President Obama with the n-word: "Usually that’s something we only do behind closed doors. But to do it in public, I thought, would be a strong way to end. And I knew it would be controversial and I was ready to accept the fallout from it."
ADDED: The bit about Wolf Blitzer was: "Speaking of drones, how is Wolf Blitzer still on television? Ask a follow-up question. Hey, Wolf, I’m ready to project tonight’s winner: Anyone that isn’t watching 'The Situation Room.'"