The Funniest Moments from Tina Fey's Google Visit

We've boiled down the best four minutes of Tina Fey's hourlong interview at the Googleplex in Silicon Valley, in which the 30 Rock creator disses other comedies, reveals a baffling nickname from co-star Tracy Morgan—and unveils a foolproof joke to make anyone laugh. » 4/26/11 4:11pm 4/26/11 4:11pm