By paying his respects to those who died in Hiroshima, Obama can show both Japan and the rest of the world that Americans take this history seriously, that we say in one voice "never again."
Trailer for a 30 minute special by Kevin Sanders about the nuclear abolition movement.
The U.S. House of Representatives condemned a UN report accusing Israel of crimes against civilians during the war in Gaza. Though the House accused the report of a bias against Israel, the original version, by the Jewish South African judge Richard Goldstone, found evidence that both Israel and Hamas had committed war crimes.
Climate change is teaching military leaders to think about security in a new way.
New reports find that, while the death penalty drains hundreds of millions from state budgets, police chiefs don't consider it effective in deterring crime.
The skyrocketing costs and casualties of the war in Afghanistan should make us re-evaluate our national priorities and broaden our definition of security.
Video: Does honoring Christopher Columbus with a federal holiday perpetuate a philosophy of racism and domination?
The Norwegian Nobel Committee has awarded the 2009 Nobel Peace Prize to President Obama.
Five pillars of an exit strategy for Afghanistan.