Tribune Co. owner and noted asshole Sam Zell's most charming feature might be his sense of humor. Forget about all the cutbacks at the L.A. Times and how he's trying to drop Newsday: He enjoyed the video a Chicago Tribune intern did for the rival Chicago Sun-Times mocking Zell for selling the naming rights to Wrigley Field. That's leadership! Memo after the jump via L.A. Observed.