A 2,300-mile trip on an airplane is a one-day foray, in a car it's a long trip that will take a few days, but on horseback, it is an epic journey that can last months. It is with the locomotive means of the epic journeyer that Bob Gacke of Port La Vaca, Texas, has chosen to undertake a 2,300-mile odyssey across the American interior to bring attention to, and raise money for, Shriner Hospitals. "I've been a Shriner for 25 years and I just have a real passion for the care of these kids in these hospitals," Gacke said Tuesday...