By Sara Amundson and Kitty Block
Days before the Kentucky Derby kicks off in his home state next week, Senate Majority Leader Mitch McConnell has announced he will introduce a bill to reform horse racing. This is a promising development for the future of race horses in a sport that has increasingly come under a cloud because of the reckless doping of horses and a spate of horse deaths, drawing criticism not just from outside watchers but from trainers and other stakeholders within the industry.