Rescued dog protects new owners

[Faster horses]

http://gma.yahoo.com/video/lifestyle-26594257/dog-saves-the-lives-of-family-that-adopted-him-27241734.html#crsl=%252Fvideo%252Flifestyle-26594257%252Fdog-saves-the-lives-of-family-that-adopted-him-27241734.html