Islam emerges as key issue for GOP

(CNN) – A conservative activist who served in George W. Bush's White House, Suhail Khan has lately found himself at odds with certain figures who should be allies, like fellow activists on the right and some leading lights of the Republican Party.

Khan, a Muslim, has chafed at recent remarks about Islam from potential Republican presidential contenders like Sarah Palin, who has called on "peaceful Muslims" to oppose a proposed Islamic center near New York's ground zero, and Newt Gingrich, who has called for a federal ban on Sharia, or Islamic law.