Domino refined 98% of America's sugar in one Brooklyn building. The same building is now home to 22 AI startups. The Refinery at Domino sits on Kent Avenue in Williamsburg, the brick shell of the largest sugar refinery in the world. At peak, the Havemeyer family ran 4,500 workers through the building and pushed 4 million pounds of sugar out the door every day. The yellow "Domino Sugar" sign on the facade was visible from FDR Drive for eight decades. Sugar moved offshore. The plant closed in…