LOS ANGELES -- CBS is hoping a legal warning shot shatters rival network ABC's plans for its reality show "The Glass House."Attorneys for CBS sent ABC executives a letter Friday warning that "The Glass House" is "strikingly" similar to CBS' show "
Big Brother." The network notes that ABC may be benefiting from the fact that 18 former "
Big Brother" staffers and executives are now working on the planned ABC show."Glass House" would ...