By William Mahoney, Ph.D., Church Militant - Cardinal Wilton Gregory and Raphael Warnock have a history of collaborating and praising one another for environmental activism and community service... In 2015, when Gregory was archbishop of Atlanta, Warnock backed the prelate's social media campaign in response to Pope Francis' Encyclical Laudato Sí... "The Roman Catholic archdiocese of Atlanta introduces our 'Refresh' campaign, which encourages Pope Francis' message and engages our community to look at new and exciting ways we can 'Care for Our Common Home,'" a