Residents of Houston are safest in this ranking
                                
                                
                                    (Newser) -
                                    Another Walking Dead  spinoff  debuts on AMC this week, notes  Yahoo Entertainment . Which, of course, prompted the company  Lawn Love  to ponder which cities would best be able to fend off a zombie apocalypse. Among the factors: proximity to military bases, gun stores, supermarkets (to stock up on supplies), helipads,...