Watch The Battle of Monte Cassino: Hitler's "Soft Underbelly"

Professor David Reynolds argues that the bloody and protracted Allied attack on the German stronghold of Monte Cassino in the spring of 1944 brings into sharp focus the drawbacks of Churchill's strategy of fighting the Germans in Italy. What he called the Soft Underbelly of Hitler's Europe proved, in the world of one American general, to be a 'tough old gut'.