It's a good week so far for basic cable programming. "Mad Men" was great, as was last night's season premiere of "The Shield", and tonight we have the series premiere of "Sons of Anarchy" on FX. Somehow the show is becoming a darling of the critics (not this one, because, hint hint, FX hasn't sent me any previews). What we _do_ know about is the "Cocaine Diaries" on BBC America at 9:00pm - a really......