Did Danny DeVito launch his own line of limoncello just to provide a therapy-proof excuse for a.m. quaffing? This is but one of the questions you can pose to DeVito What mind control did you use to get Ed Norton and Catherine Keener in Death to Smoochy? might be another when the adorably diminutive actor/director appears at Dorignacs tomorrow from 11 a.m. to 2 p.m. In town for Tales of the Cocktail, hes signing bottles of Danny DeVito's Premium Limoncello, a personal brand of the irrationally scrumptious liqueur made famous by sun-parched Italians, who down the stuff like lemonade, and by DeVito himself, who consumes it only while standing up, sitting down, lying on his side or as a source of liquid courage before going on gabby morning talk shows: