You're reading: Garry Kasparov says Putin is ‘the most dangerous man’ in the world and a bigger threat to the US than the Islamic State

Arguably the world's best chess player ever, Garry Kasparov is on a new mission. He hopes to convince the world that the biggest threat to global unrest is not the Islamic State, al-Qaida or North Korea. Instead it is Vladimir Putin, Russia's president from 2000 to 2008 and then again from 2012 to today.

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