These are, some would argue, misguided images -- or at least, not the full picture. For many Christian, Muslim and Jewish adherents, fundamentalism is simply returning to the founding principles -- the fundamentals -- of the religion.

But as roaring violence persists in the name of God around the world and religious groups have a deeper hand in politics, can we truly understand Religious Fundamentalism? How do we break it down?

Hear about defining religious fundamentalism and its role in the 21st century.

· John Esposito, Professor of Religion and International Affairs and of Islamic Studies at Georgetown University, and Founding Director of the Center for Muslim-Christian Understanding
· Reverend Rob Shenck, Board Member of the Evangelical Church Alliance, based in Bradley Illinois
· Mahmud Al-Rashid, Editor of Emel Magazine, member of the executive committee of the Muslim Council of Britain.