As you probably already heard, Kentucky Derby winner Barbaro was euthanized yesterday by his owners after an injury to his right hind leg just wouldn't heal. The horse was in a lot of pain, so we know they made the right decision. Barbaro had captured America's hearts at the Derby -- and some thought he had a real chance at the Triple Crown -- but those same hearts were broken when he came up lame in the midst of the Preakness Stakes on May 20. more ›