The years since 9/11 may have brought many Americans new interfaith understanding, but they have also expanded interfaith tensions.

"This decade has been a time of encountering and engaging Islam in a new way that also causes Christians to think about their own identities and understand God and God's love for people beyond the Christian world," says University of Notre Dame history professor Scott Appleby.

University of Notre Dame history professor Scott Appleby assesses the present moment and analyzes the anxiety, fear, and conflict currently in evidence on the American religious scene.

Abortion opponents say Obama's Notre Dame commencement speech and honorary degree are a scandal. Others suggest it's an opportunity for vigorous public debate and an example of academic freedom.

In the wake of the horrific terrorist attacks on September 11, we discuss questions about justice, forgiveness, and retribution with four religious leaders and scholars.