(This story was originally published in print on Oct. 31, 2019). Anyone entering national politics inevitably has a plan to fix foreign policy for good, and everyone inevitably either gives up or fails to achieve their goals. Foreign policy is as complex as it is fun to talk about, and every sitting...

On the morning of April 4, 1945, the United States 4th Armored Division and the 89th Infantry division arrived at the small German town of Ohrdruf. What they found, to quote General Dwight Eisenhower, were atrocities “beyond the American mind to comprehend.” In a small encampment outside the town,...