On Thursday, President Obama said in his speech in Cairo that “Unlike Afghanistan, Iraq was a war of choice”, and that “events in Iraq have reminded America of the need to use diplomacy and build international consensus to resolve our problems whenever possible.” Today, President Obama visited the Buchenwald concentration camp with German chancellor Angela Merkel and Buchenwald survivor Elie Wiesel, who spoke movingly of the day he watched his father die at the camp: