Gambling has dominated California headlines in 20-24 from controversy and culture wars to its billing on the state's highly anticipated November ballot.

But the modern, $300 billion dollar industry as we know it was all made possible by the probability revolution.

For more on this, KCBS Radio's news anchor Jennifer Hodges spoke with professor John Eglin. Eglin teaches history at the University of Montana and he is also the author of "The Gambling Century."