The Satanic Verses controversy later wrote "God Is Not Great", a polemic against religion. The affair however led to greater caution and some degree of self-censorship when dealing with Islamic issues in the literary and other creative arts. Many religious figures in the United States and United Kingdom shared the aversion to blasphemy of pious Muslims (if not as intensely) and did not defend Rushdie like their secular compatriots. The Archbishop of Canterbury, Robert Runcie, demanded that the government expand the Blasphemy Act to cover other religions, including Islam. Michael Walzer wrote that the response revealed an evolution of the meaning of blasphemy; it
The Satanic Verses riot against the book in Pakistan, the Ayatollah Ruhollah Khomeini, then Supreme Leader of Iran and a Shi'a Muslim scholar, issued a fatwa calling for the death of Rushdie and his publishers, and called for Muslims to point him out to those who can kill him if they cannot themselves. Although the British Conservative government under Margaret Thatcher gave Rushdie round-the-clock police protection, many politicians on both sides were hostile to the author. British Labour MP Keith Vaz led a march through Leicester shortly after he was elected in 1989 calling for the book to be banned, while the Conservative