Nancy Walton Laurie and Bill Laurie are considering a …

Nancy Walton Laurie and Bill Laurie are considering a bid for an NBA expansion franchise in Las Vegas, according to three people familiar with the league's process. The Walmart heiress would bring deep pockets and a local flavor to the Vegas expansion process. She and her husband live just outside Sin City in Henderson, Nev., and are worth $17.8 billion, according to Forbes.