NEW YORK — So I was ordering lunch in Philadelphia the other day when the counter person at the market rang up my items and delivered the total: $6.66.The number of the beast! Hell's address! The devil's digits! Now, this has happened to me before and whenever it does, my superstitious self has either ordered another item or left a little extra tip or both to help even the daily balance between good and evil. Perhaps many of you do the same. Many of you are probably also wonde...