The Neon Empire

The Neon Empire is a 1989 American television crime-drama miniseries directed by Larry Peerce and starring Ray Sharkey and Linda Fiorentino. It originally aired on two consecutive nights (December 3 and 4, 1989) on Showtime.
Plot.
Junior Morloff, a Jewish gangster, is traveling out west when he comes across Las Vegas, a small town at the time. Surprised that gambling is legal there, he gets an idea, build a casino.