And Bush appears to be their spokesman.
...In the United States, the emerging leadership realized that the single most important goal was not to assimilate and disappear into the great melting pot, like many who had come before them. The need to defend and consolidate Islamic identity became the primary goal in the United States. Muslims were not in the United States to assimilate...
The leadership of the intellectual elite, the resonant echo of the Islamic revivalist fervor of the Muslim world, the gradual transformation of America from melting pot to a multicultural society, and the rapid rate of conversion of Americans, both white and black, to Islam all provided energy and momentum for the sustenance of Islamic practices in America...
The first thing that Islamists did was to take over the National Arab Students Association, a secular ethnocentric organization, and dissolved it. They replaced it with the Muslim Students Association National.
http://www.ijtihad.org/Khanchapter.pdf