<p>RIVERSIDE, Calif.(AP) - Bob Holstein, an activist who spent two months in federal prison after protesting atrocities committed by Central American soldiers who received training in the United States, has died. He was 61.</p>
<p>Holstein died Sunday after a brief illness at Riverside Community Hospital, said Dr. Thomas Haider, a family friend. He had been admitted to the hospital New Year's Eve after complaining of fatigue and an irregular heartbeat, Haider said.</p>