Sheldon G. Adelson, a cabdriver’s son who built the world’s largest empire of casinos and resort hotels in Las Vegas, Macau, Singapore and other gambling meccas and used his vast wealth to promote right-wing political agendas in America and Israel, died on Monday night. He was 87. The cause was complications of non-Hodgkin’s lymphoma, a form of blood cancer, his company, Las Vegas Sands, said on Tuesday in a statement. It did not say where he.