When considering the speculative nature of America's financial future, President Harry S. Truman famously exhorted his aides to bring him a one-handed economist. "All of my economists say 'on the one hand'..., then 'but on the other hand'...," the plain-talking Missourian from Independence famously quipped. To put it another way, convictions matter, not the pros and cons. You are either in or you're not. Horse racing, or more specifically preparing for the 150th Kentucky Derby is no different. It's about possessing sterner stuff. Another Harry Truman, Harry Truman Rosenblum that...