Since 9/11, fears about extremism have shaped the public's view of Islam. And American policies often reflect these fears, zeroing in on Muslims and Muslim-Americans in the name of national security. Professor Rachel Gillum explores whether these policies work, why we use them, and how they impact Muslims in America.

• Read Gillum's SSN brief, Assessing– and Reducing– Public Fear of Muslims
• Find her book, Muslims in a Post-9/11 America
• Check out her piece in Talking Points Memo on racism as a national security issue