Belmont Park’s Stars & Stripes Racing Festival on Saturday is the centerpiece of a great weekend of Thoroughbred racing, featuring a Breeders’ Cup Challenge Series “Win and You’re In” race and four other graded stakes, with television coverage on NBC from 4:30-6 p.m. ET. Get betting analysis, news and lifestyle features, a preview of Saturday’s “The Winner’s Circle” podcast featuring guest Tom Durkin, and more in this week’s The Countdown Presented by Longines.