Gawker By Hamilton Nolan St. Patrick's Day is coming up, and you know what that means: time for New York Post media columnist Keith Kelly's annual "Kelly Gang" dinner event! Famous Irish types, attend or else. The Kelly Gang started as Keith's little annual get-together for NYC's most important Kellys—Keith Kelly, naturally, and police chief Ray Kelly, and Jim Kelly, who's both a former Buffalo Bills quarterback and the former head of Time magazine, and...the whole plethora o