After running a lengthy March 2 opinion piece by Noah Shachtman that questioned why so much money from slot machines, casinos and other subsidies was being to paid to what Shachtman describes as a dying industry in horse racing, the New York Times let its readers have their say. Saturday's edition included five letters to the editor, all from people reacting to a piece entitled "Dead Athletes. Empty Stands. Why Are We Paying Billions to Keep This Sport Alive?" Five letters were published, including one from NTRA CEO Tom Rooney...