What If - Two Pivotal Moments of World War 1

This week 100 years ago the whole war hangs in the balance, the Germans are about to break through the lines at Verdun, the Russians actually break through the Austro-Hungarian lines but fail to seize the opportunity further north. It all boils down to the lack of communication between Erich von Falkenhayn and Conrad von Hötzendorf which created a situation in which Falkenhayn has to save Conrad's Army and loses his momentum at Verdun.