Biometric identification of fans entering sports venues isn’t the future, it’s now a reality.Major League Baseball has been piloting biometric ticketing at a handful of ballparks and is expanding the practice to its other venues this year.At the same time, an expansive new ruling by the Illinois Supreme Court about who has standing to sue under the state’s Biometric Information Privacy Act could open the floodgates on litigation by fans who feel their privacy is being violated.The MLB, airport security …