About the video: QuickTime Player required. BILL MOYERS: It is not easy being a mainstream American Muslim these days. The specter of radicalism hangs in the public mind, and even the most assimilated of believers...those born here or immigrants who now claim America as their own face skepticism wherever they turn. Here's our account of how one increasingly prominent figure in the community copes with the skepticism - and the scrutiny. His name is Zaid Shakir.