Thanks for this to commenter “Drew,” who suggested it as the counterpoint to Warner’s much-hyped exchange with Petraeus about whether the war is making America safer. Graham considers the flip side: will ending the war make America safer? The answer to that comes in the last two minutes. It’s preceded by a memorable exchange in which Graham answers Warner’s concerns about whether Petraeus thinks the war is worth prosecuting by teasing out, a la direct examination of a witness, the projected cost in blood and treasure — including to Petraeus’s own family — of implementing his recommendations. He is, quite literally, deadly serious.

The other side’s pretty serious too, though.