Today is the day for the 138th annual Run for the Roses. The race is more than mint juleps, elaborate hats and the most exciting two minutes in sports. The Kentucky Derby boasts legends and stars, human and equine alike. You've Gotta Watch a few of the professionals involved in one of the most watched horse races of the year. We've collected videos profiling a top trainer, a jockey making a post-recovery comeback and the stud farm that welcomes the champions after they've won the race.