one of Himself’s posthumous hits, a cartridge called Blood Sister: One Tough Nun that he’d always found kind of gratuitously nasty and overwrought, but which Hal has no idea that this piece of entertainment actually germinated out of James O. Incandenza’s one brief and unpleasant experience with Boston AA, in the B.S. mid-’90s, when Himself lasted two and a half months and then drifted gradually away,