SUGAR HIGH! Over-the-Top Milkshake Worth a Drive to Philly on St. Paddy’s DaySUGAR HIGH! Over-the-Top Milkshake Worth a Drive to Philly on St. Paddy’s DayMickey D's may have the Shamrock Shake this time of year, but a shop in Philadelphia is like, 'Hold my beer.'Heather DeLucaHeather DeLuca