Military analyst: The first five days of Russia’s Ukraine invasion have not gone well. Here’s why

US Army Maj. Gen. James “Spider” Marks tells CNN’s John King what military strategies Russia has implemented and what Ukrainians have learned during the pivotal first five days of the Russian invasion of Ukraine.US Army Maj. Gen. James “Spider” Marks tells CNN’s John King what military strategies Russia has implemented and what Ukrainians have learned during the pivotal first five days of the Russian invasion of Ukraine.