The $3.5 billion purchase by the Adelson and Dumont families from team owner Mark Cuban would make Adelson one of a few female sports team owners.A federal regulatory filing says that after selling $2 billion in stock to buy the NBA franchise, Miriam Adelson still will be the controlling shareholder of Las Vegas Sands - the international casino company her late husband built.and Israel power broker and newspaper publisher The prospective new owner of the Dallas Mavericks is one of the richest women in the world, a Las Vegas casino mogul, and a U.S.
