Lots of people on the right think that the liberal group MoveOn.org is a joke. Well, now they’ll have a bit more ammo in their argument. The powerful liberal activist group has wooed Peter Koechley away from the satirical newspaper The Onion, where he was managing editor… An Onion spokesman confirmed that Koechley departed in the fall; his name no longer appears on The Onion’s masthead. MoveOn did not provide us a comment by press time.