Russian Convoy Nearing Ukraine; Officials: Putin Could Intensify Attack

The Pentagon is warning Putin has a lot of firepower left as U.S. lawmakers learn of what we understand is an alarming timeline for when the Ukrainian capital and other cities may fall. This as world leaders are calling Putin irrational and a changed man. The serious question tonight: has the Russian leader lost any capacity intellectually? To learn more about how CNN protects listener privacy, visit cnn.com/privacy