Wikimedia CommonsDavid Carruthers, during better daysDavid Carruthers, the former CEO of the now-defunct Internet sports book BETonSPORTS, agreed today to testify against his former boss and colleagues in a substantial racketeering case unfolding here. Carruthers pled guilty today in U.S. District Court to one count of racketeering. In exchange, the feds will drop seven counts of fraud pending against him. Carruthers has been on house arrest, in a Clayton high-rise, since his arrest in the summe