Some ethicists and philosophers say economic sanctions should be subject to the same moral scrutiny given to the use of military force and should require the same level of ethical justification as acts of war.

Watch excerpts from a May 2 interfaith service at the United Nations where people from many religious traditions gathered to pray for the abolition of nuclear weapons.

A new generation of young evangelicals who grew up after the Cold War, says Richard Cizik, advocate reducing nuclear arms and locking down nuclear materials.

On April 8, the US and Russia meet in Prague to sign a new arms control agreement. For 65 years, churches and religious groups have been involved in public conversations about the morality of nuclear weapons.

Watch Tyler Wigg-Stevenson, founding director of the Two Futures Project, discuss nuclear disarmament from a Christian perspective.

Read Bob Abernethy's full interview with William Sloane Coffin.