The "Blond Angel of Death", a navy captain who symbolized repression under Argentina's military dictatorship, has been arrested after President Nestor Kirchner allowed his extradition to Spain on human rights charges. The arrest of former frigate captain Alfredo Astiz brings to 16 the number of former top military officials awaiting extradition under Spanish judge Baltasar Garzon's request for 46 collaborators with the 1976-1983 regime. Attempts to bring the military to justice in Argentina had been thwarted by an amnesty under president Raul Alfonsin and backed by Carlos Menem during the 1990s. Trial outside Argentina had been blocked by a decree...