Chuck Hagel wasn't a genius. But he got a bum rap for being exactly the secretary of defense that Obama wanted -- until he wasn't.
Goodbye, Chuck Hagel: We hardly knew ye!
Perhaps there wasn't much to know. Or perhaps you contain hidden depths. Who can say? For almost two years, you seemed barely there, an irascible half-presence in the Pentagon's E ring. Soon you won't be there at all, and no one will much notice.