Colton chewed on lithium-ion battery while family was out
                                
                                
                                    (Newser) -
                                    Chapel Hill, North Carolina, firefighter David Sasser says his dog started a fire by chewing on a lithium-ion battery—and while there was no major damage, Colton has "lost his battery privileges."  Video  shows Colton, a 5-year-old rescue, chewing on the rechargeable backup battery he had pulled from...