Why Is the Russian Army Failing?

For want of a radio, a war was lost

Russian tank in Mariupol, via Wikimedia Commons

Part One: Communications

I grew up in the Cold War. Certain things were given: The world is a dangerous place. Russia wants to expand its sphere of influence. The Soviet army is the largest and most effective fighting force on earth. That army is so large and was so good that NATO assumes and plans to use…