Overview:Sports betting in the USA is booming and this doc features those who know how it all began, up to how it became the huge business it is today. Narrated by Trip Mitchell, insight is provided by baseball's Pete Rose, oddsmaker Dennis Tobler, Pinnacle's Jessica Davis, historians Richard Davies & Eugene Moehring, Buzz Daly, Frank Cullotta, Joe D'Amico, Jim Bobbera, Norm Kelley and "Vegas Dave" Oancea.