Have you ever wondered why people join the clergy? We asked a Protestant minister, a Conservative Jewish rabbi, a Sunni Muslim imam, and a Catholic priest.

David Makovsky is the Ziegler Distinguished Fellow and Director of The Project on the Middle East Peace Process at the Washington Institute for Near East Policy. He is the former Executive Editor of the Jerusalem Post and was diplomatic correspondent for Israel's leading daily Haaretz. Ghaith al-Omari is Advocacy Director at the American Task Force on Palestine. Prior to that, he served in various positions within the Palestinian Authority, including Director of the International Relations...