David Berman was a partner with what mobster who was a driving force behind the development of the Las Vegas Strip?
David Berman (mobster):  He was one of the pioneers of gambling in Las Vegas, where he was a partner with flamboyant mobster Bugsy Siegel at the Flamingo Hotel. Bugsy Siegel:  He was also a driving force behind the development of the Las Vegas Strip.
i don't know