Stepping into the shedrow of Laurel Park's Barn 22 late in the morning on a dark day, all is relatively quiet. Outside of the office, a groom rakes up loose pieces of straw as the horse residing in the first stall peers out inquisitively, all the while his neighbor to the left lies curled up in freshly tossed bedding. Further down, a wheelbarrow sits parked outside of the fifth stall, which is where you'll find trainer Henry Walters as he finishes mucking out. After setting aside the pitchfork and giving...