Ever since the last draft was ended, in 1973, a small but devoted chorus of pundits, legislators, and retired military men have been stumping for its return. These are not wild-eyed boosters of the New American Century, itching to occupy every square inch of the Middle East and beyond. No, we’re talking about moderates like the Washington Post columnist Dana Milbank, who recently argued that mandatory service could help fix the dysfunctional U.S. Congress. Or the journalist Thomas E. Ricks, who said the all-volunteer force (AVF) “has made it all too easy for our nation to go to war.” Or…