As the 21st century dawned, a newly elected Vladmir Putin was making friends on the world stage. He smiled for photo ops at G8 meetings, and was the first foreign leader to call George W. Bush after the attacks of 9/11, offering his support against terrorism.

So what changed? To understand Russia’s view of the world now – and its continued aggression towards Ukraine – it helps to know more about the psyche of the country and its leader.

In today’s episode of The Conversation Weekly podcast, we talk to James Rodgers, a reader in international journalism at City St George’s, University of London, about how a festering sense of national humiliation after the collapse of the Soviet Union hardened Putin’s tough man regime and led Russia to turn its back on the west.

In 1991, when the Soviet Union collapsed, many in the west believed liberal........

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