WASHINGTON (AFP) - Senior al-Qaeda leaders are "busy" in Iran, US Defense Secretary Donald Rumsfeld said amid reports that terrorist attacks in Saudi Arabia were directed by a small cell of terrorist leaders in Iran. "Just from a factual standpoint there is no question but that there have been and are today senior al-Qaeda leaders in Iran and they are busy," he said. Rumsfeld spoke after thanking the crown prince of Bahrain, Sheikh Salman bin Hamad Al-Khalifa, for his country's support in Iraq. Earlier, the Arab television news network Al-Jazeera aired an audiotape purportedly by top al-Qaeda leader Ayman...