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. Watch the whole programme on BBC iPlayer (UK only for 12 months) Viewpoint: Could one man have shortened the Vietnam War? This Week's Guests: 2013 This Week's Guests: 2012