SARATOGA SPRINGS, N.Y. - Yet another era ended Monday at America's oldest racetrack. Though it lasted a mere three years, the Belmont-at-Saratoga stretch of summer seasons were distinctive, memorable, never-to-happen-again and now part of the storied history of the track. A decade ago, did anyone think that the GI Belmont Stakes would be staged even once, much less multiple times, at Saratoga? Or that there would be a total of 538 races over 50 days of racing in one season spread over four months? Nope. With the rebuild of Belmont...