The pope’s encyclical on the environment carries a profoundly religious message about care for the earth, wedded to a new call for activism, say religious scholars Mary Evelyn Tucker and John Grim.

Richard Haass considers new approaches to the war in Afghanistan and emphasizes the importance of Pakistan is curtailing terrorism.

The Bush administration’s decision to wage war on Iraq in 2003 still looms large for its flaws and its damage to U.S. interests, says CFR President Richard N. Haass.

The U.S. financial sector is at risk of eurozone sovereign debt contagion that could potentially undermine the fragile U.S. economic recovery, explains economist Richard H. Clarida.

Negotiating a Russian withdrawal from Crimea is still possible, but U.S. and Western leaders have options to strengthen Ukraine if the situation worsens, says CFR President Richard N. Haass.