ALWAYS LOOKING FOR MORE VOLUNTEERS. LOVE THAT ONE DOG FROM NEW HAMPSHIRE STOLE THE SHOW DURING THE MASTERS AGILITY CHAMPIONSHIP THIS WEEKEND. TAKE A LOOK. THIS IS SHELBY COBRA. SHE WAS THE FASTEST IN ...

Eyes ablaze with focus, the black-and-white dog heeds the start cue from her handler. She makes a jump, sprints up an A-frame, darts into a tunnel, shimmies through the weaves like a slalom skier, ...

Kerry Breen is a news editor at CBSNews.com. A graduate of New York University's Arthur L. Carter School of Journalism, she previously worked at NBC News' TODAY Digital. She covers current events, ...