ATHENS (Reuters) - Greek police on Saturday arrested Christodoulos Xiros, a fugitive member of the Marxist guerrilla group November 17 who had absconded while on leave from prison almost a year ago. Christodoulos Xiros, 56, is serving multiple life terms for his role in Greece's most lethal guerrilla group, which killed Greek, U.S. and British diplomats before being dismantled in 2002. A police ...