"We cannot allow the destruction of lives to become normal. We cannot govern the nation by killing. We cannot foster a humane and decent Filipino culture by killing."

Colombia has been torn by armed conflict since 1964, and drug-trafficking related to cocaine production is a major problem.

Despite being a frequent target of violence by the left-wing and officially atheist rebels, the church has pushed for peace, reconciliation, and forgiveness in Colombia, but not all Colombians agree.

"We are called to be heralds of peace" says Pope Francis to interfaith religious leaders as tensions on the Korean Peninsula increase.

America's readers view military intervention as often necessary - with genocide as the most cited reason - but always a tough moral call.

An interview with Drew Christiansen, S.J.