GOOD DOG DOWN Four-year-old "Chief", an American Pit Bull Terrier, dashed in front of a venomous snake which was poised to strike at 87-year-old Liberata la Victoria and her granddaughter Maria Victoria. Shielding the women from the attack, Chief saved them but died minutes later from the snake's bite. (Photo: Marc Sabelita) The children in the Fronteras household refer to their dog as "kuya" ("big brother"), and he certainly proved it on the day he sacrificed his life to protect the family. On Monday, Feb. 12 at around 2 p.m., "Chief", an American Pit Bull Terrier, rescued Liberata la Victoria,...