Malcolm Gladwell on Syria, the Saudis, Mandela and MLK

Martin Luther King "manipulated public opinion" and played a "magnificent, hilarious, brilliant trick" on the media, according to writer Malcolm Gladwell.

The author of David and Goliath: Underdogs, Misfits and the Art of Battling Giants spoke to Andrew Neil, Michael Portillo and Diane Abbott about Syria, Saudi Arabia, Nelson Mandela, the power of the underdog - and the importance of shame.

And he said "shame was an incredible powerful emotion", as they looked at the power of social media today.

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