Hero: Tristin Saghin sits in his grandmother's back yard where he saved his two-year-old sister's life when she was found floating in the pool. ‘I would do anything for her’: Boy, 9, saves two-year-old sister from drowning by giving CPR. Heroes come in all shapes and sizes. And though pint-sized hero Tristin Saghin is still small, his quick-thinking actions that saved his sister’s...