Today In World War II - January 17

Today In World Two - January 17 - Polish cryptographers break Luftwaffe's codes; Soviets warn Germany to keep their dirty, rotten, stinking hands off of Bulgaria; the Brits capture 5,500 Axis prisoners; U-Boats continue to sink ships off the US East Coast; The Luftwaffe goes back to bombing London; the Battle of Monte Cassini begins; the Soviets force the Germans to evacuate Warsaw. Enjoy!