What, McCain Couldn't Get Balki?

Nothing like getting a perfect stranger to pitch for you in the last inning of the election.

A TMZ staffer got a robocall late the other night from a Mark Linn Baker -- or, as he put it himself on the phone, "You may remember me from 'Perfect Strangers."

McCain's people were curiously unaware of Cousin Larry's involvement, and Baker didn't have any comment. Actually, we just couldn't find him.