Fifty years after their execution in June 1953 for conspiring to steal atomic secrets, Julius and Ethel Rosenberg remain the subjects of great emotional debate and acrimony. The man whose testimony almost single-handedly convicted them was Ethel Rosenberg&’,s own brother, David Greenglass. Though the Rosenbergs were executed, Greenglass served a mere ten years in prison, after which, with a new name, he disappeared. But journalist Sam Roberts found Greenglass, and then managed to convince hi