It's a topic that has caused outrage in Pakistan and even claimed the life of the Punjab governor. Many Muslims are strongly opposed to proposals that would reform the country's blasphemy law, which carries the death penalty for insulting Islam. Such is the strength of feeling that Governor Salman Taseer was murdered by his bodyguard last week, after he spoke out in support of a Christian woman, Asia Bibi. She's set to become the first woman in Pakistan to be executed for blasphemy.
Programme prepared by Kate Williams, Marie Billon and Patrick Lovett