Bridger Walker, a six-year-old American boy, is being hailed as a hero for protecting his little sister from a dog attack that ended with him getting 90 stitches on his face. Bridger's aunt shared details of the attack on the internet. When being asked why he stepped in front of the dog, the boy said that "if someone was going to die, I thought it should be me." "Captain America" actor Chris Evans was one of many celebrities moved by Bridger's actions. He sent the boy a video message, praising h