Bill Cosby’s first TV stand-up comedy special in 30 years will air on American Forces Network on Friday, and viewers will be able to chat live with the man who, nearly 60 years ago, served as a Navy corpsman. “Far From Finished” debuted on Comedy Central on Nov. 23. Reviews ranged from “predictably safe” to “comedy of the highest form”; Scoop Deck caught the show on a re-air and can say, without fear of contradiction, that it’s somewhere in the middle. Cosby served from 1956 to 1961 before heading to Temple University and then to superstardom that crosses generations and…