The best and worst pizza: the chains we live for and those we don't

Sbarro may bow out of the competition, so who's left?
Photo by: thinkstock photos
Sbarro may bow out of the competition, so who's left?-
Chicago has deep dish, New York has slices, and airports have Sbarro. Or had. The pizza chain restaurant is preparing to file for bankruptcy, which may mean the end of stuffed veggie pies steaming behind sneeze-guards.