Jagan Kaul wrote in The Kashmir telegraph Siraj Wahaj, a U.S. black convert to Islam declared in the recent past that "if only Muslims were clever politically, they could take over the United States and replace its constitutional govt. with a caliphate. If we were united and strong, he said, we would elect our own emir and give allegiance to him. Take my word if 8 million Muslims unite in America, the country will come to us."
This was writte nin 2002, but I just discovered in, following a link from Robert Spencer