Samantha Power

In the absence of full-fledged Congressional investigations, American policymakers rarely look back. They are bound by continuity and fealty across administrations and generations.

When we blame all Muslims, all Syrians, or all members of any other group because of the actions of individuals, we fall into the trap of asserting collective guilt. We empower the narrow-minded ideology that we are trying to defeat.

America needs a sensible, sustainable Iran policy that can meet U.S. security and economic interests, command international support and withstand the shifting Middle Eastern sands.

Russia holds a permanent seat on the U.N. Security Council. This is a privilege, and it is a responsibility. Yet in Syria and in Aleppo, Russia is abusing this historic privilege.

President Reagan, of course, did more than any other person to entrench the Republican reputation for toughness on national security.