Nationally known activist Chicago priest the Rev. Michael Pfleger will be reinstated as the leader of his parish after an investigation found “insufficient reason to suspect” he sexually abused children, the Roman Catholic Archdiocese of Chicago announced Monday.The decision from the archdiocese comes more than four months after it asked Pfleger to step aside and told his parish that its Office for Child Abuse Investigations and Review had received an allegation that the priest had sexually abused a minor more …