Downfall: Axed as Viacom CEO in 2006 after Chairman Sumner Redstone grew disenchanted with him.
Today: Helping create a new cable operation to be called OWN (the Oprah Winfrey Network). Chairs ONE, the antipoverty campaign started by U2 frontman Bono, and joined
Dreamworks's board. Also doing reconstruction work in Afghanistan.
NEXT: Stanley O'Neal