Prime Minister John Howard is standing by Australia's top Catholic, as Islamic and other groups question Cardinal George Pell's remarks about the intolerance of the Muslim faith and the Koran's "invocations to violence". Dr Pell, Archbishop of Sydney, defended comments he made in an address to US Catholic business leaders in Florida in February, which were published this week. In his speech, Cardinal Pell questioned the tolerance of Islam. "Considered strictly on its own terms, Islam is not a tolerant religion and its capacity for far-reaching renovation is severely limited," Dr Pell said in the address. He also said there...