Pick of the Week Well, this week is St. Patrick's Day so I've been combing the local listings for green celebrations. Branded '72 (formerly O'Brien's) is offering up slow-cooked corn ed beef (16 hours cooking!) and a fine duo of Irish lads callin' themselves Doherty and McBurney , who'll be performing from 4 until 7:30 PM. These fellows play traditional Irish folk music mixed with contemporary tunes from the Cranberries and U2. If you know of any other public Irish celebrations in Roc