the main tunnel at Shoenenburg: lesson learned at Verdun. Separate access and command and control from gun turrets. https://t.co/FgE0exXiGc
RT @g_passamonti: It’s a pleasure to read Chartbook, and this is one of the best I’ve read since signing up.
RT @g_passamonti: It’s a pleasure to read Chartbook, and this is one of the best I’ve read since signing up. @adam_tooze https://t.co/u5sPs…