I was the last one to hear, apparently. Poor bastard. I didn't enjoy his fiction, but his essays were primo.
For those people who think that depressives "need to get a positive attitude" or even better, "just need to get over it," I thumb my nose at you in his name.
EDIT: The Onion noticed he was gone -
http://www.theonion.com/content/news/nascar_cancels_remainder_of_season