B'bye, Barney

 I guess he feels he's done enough damage to the country:

 "A far more likely explanation was posited almost immediately on Twitter by Jim Geraghty. Following the 2010 census, Massachusetts is in line to lose one congressional seat, taking them from 10 to 9. Frank is more than seventy years old and could very likely have been looking at retirement in the not too distant future anyway, and this gives the state party an easy out in terms of carving up their redistricting map without the need for a nasty, internecine food fight."