Retired Colonel explains 'cascading effect' impacting Russia's momentum

Retired Air Force Col. Cedric Leighton speaks to CNN's Pamela Brown about how the command structures differ between the Ukrainian and Russian forces.

Retired Colonel explains 'cascading effect' impacting Russia's momentum
Retired Air Force Col. Cedric Leighton speaks to CNN's Pamela Brown about how the command structures differ between the Ukrainian and Russian forces.