Pink Floyd's Roger Waters talks to Riz Khan about his passionate campaign for the rights of the Palestinian people http://www.youtube.com/watch?v=UdX5WpRrwtM

Pink Floyd's Roger Waters talks to Riz Khan about his passionate campaign for the rights of the Palestinian people and why, more than 30 years after he wrote the globally-acclaimed album 'The Wall', he is focusing on another wall - the Israeli separation barrier in the West Bank.