Welcome to the Inquiry, I'm Charm Encosia, each week four expert witnesses, one question, and an answer.

A traffic jam is blocking a road and it's huge. Satellite images show it stretching back 40 miles.

The long column includes tanks, trucks, ammunition and thousands of troops from Russia.

They were heading towards the capital of Ukraine, Kiev, to capture it.

However, President Putin's plan to invade the neighboring sovereign country appears to be unravelling.

The convoy isn't moving. It's stuck in sub-zero temperatures.

Vehicles have been abandoned after breaking down running out of fuel or getting trapped in mud.

Elsewhere in Ukraine, reports of out-of-date rations and hungry Russian soldiers

looting shops for food add to a growing list of technical and operational blunders that have

astonished observers. It seems shambolic and it's placed the capabilities of the country's armed

forces under scrutiny. So this week we're asking, why is Russia's invasion plan failing?

Part one. One man, one plan.

Putin seems to be increasingly isolated and in terms of the information that actually does get

him, it's probably not got too much to do with reality.

Nicolas Monsieur is a senior research at the Centre for Security Studies at the University

ETH Zurich. He specialises in security policy and military analysis.

President Putin's opinions on Ukraine have been public for some time.

He's previously described the country that used to be part of the former Soviet Union as

an artificial state. He wants to control it.

It really does seem like Putin had expected Ukraine to fall within a few days.

The Kremlin describes the invasion as a special military operation and still refuses to call

it a war. The weeks leading up to it saw intense military activity as thousands of Russian troops

...