By Kathy Rogers "That's right!" she explained. "Bob said I could ride him in the Ride and Tie today up in QuickSilver Park!" My brain quickly calculated the ride and concluded that the start to the Ride and Tie was about three miles and 900 feet of elevation down the road, and old Yankee had not even been out of his paddock in over a year. "Are you sure he's up to that?" I queried with genuine concern. "Oh no problem", said the Blond. "He's an old cow horse, and strong as a bull," she explained. "Well OK" I acquiesced.…