Ordained Presbyterian minister Dr. Christopher M. Leighton will present “The Battle for God, Religion and the Clash of Civilizations” at 7:30 p.m. April 1 in Hart Chapel. Leighton will discuss how to overcome the barriers to interfaith understanding. All are welcome, regardless of religious beliefs. Leighton, a native of western Pennsylvania, is a nationally recognized expert in this area. He has been executive director of The Institute for Christian and Jewish Studies in Baltimore since its founding in 1987 and served as a consultant to a Bill Moyers series on PBS.