ATHENS, Greece (AP) – Christian leaders, theologians and religious activists from around the world gathered Monday for a meeting to assess some of the most serious challenges for the faith, such as growing rifts between churches and African congregations ravaged by AIDS. The conference, organized by the World Council of Churches, is expected to draw more than 500 participants representing nearly every tradition in Christianity from evangelical movements to the Orthodox and Roman Catholic envoys. The six-day meeting formally begins Tuesday at a seaside venue 18 miles northeast of Athens. The broad agenda reflects the many concerns confronting Christian churches and obstacles to unity. Many are internal differences that have grown more acute in recent years, including sensitive issues such as women’s ordination and the role of gay pastors. Full Story.