Dunkirk

tags: Belmont Stakes, horse racing, race horses, Summer Bird, Mine That Bird, sports, streaming video From left, Summer Bird, ridden by Kent Desormeaux, Mine That Bird, ridden by Calvin Borel, and Dunkirk ridden by John R. Velazquez, race toward the finish line in the 2009 Belmont Stakes. Image: Kathy Willens. Kent Desormeaux, the other Cajun jockey in the Belmont Stakes, rode the other son of Birdstone, Summer Bird, to victory in today's Belmont Stakes. (Birdstone was the upset winner of the 2004 Belmont Stakes). Summer Bird is a half brother to today's favorite, Kentucky Derby winner,…