Tina Fey: Sarah Palin Sketch on 'SNL'!

Tina Fey brings her infamous Sarah Palin imitation back to life during a return to Saturday Night Live over the weekend.

The 40-year-old 30 Rock actress and Bossypants author served as the host of the episode and appeared as Palin during a sketch about the Republican presidential debate.

“First I wanted to acknowledge that this week we vanquished one of the world’s great villains, and I for one am thrilled to say ‘good riddance to Katie Couric,” she said.

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