Concluding a more than four year investigation, BetonSports.com founder Gary Kaplan pleaded guilty yesterday to several felony counts and was sentenced to more than four years in jail.  Kaplan, jailed since his arrest more than two years ago, had been charged by the US Attorney in St. Louis with various charges relating to the conduct of the Caribbean based sports betting operation. CARTICLEURL Kaplan pleaded guilty to racketeering conspiracy, violating the Wire Wager Act and con...