2010 NBC Upfronts: Tina Fey On '30 Rock' Returning Next Fall - 'We're...

2010 NBC Upfronts: Tina Fey On '30 Rock' Returning Next Fall - 'We're Not Dead!'

At the NBC Upfronts, Tina Fey celebrates “30 Rock” returning to NBC next fall, but what does she know about Steve Carell possibly leaving “The Office” soon? Plus, who is her next dream guest star on “30 Rock” after finally getting Oprah Winfrey?