Pete Sampras Backhands Tina Fey

Pete Sampras is sick and tired of Tina Fey -- and all those high and mighty celebs who push their political beliefs on the common folk.

The retired tennis legend ripped into the Palin-alike and her fellow famous campaigners on his way out of Nobu in Malibu this weekend -- but the attack would have carried more weight had captain Hypocrite not screamed "Go McCain!" just moments earlier.