Conservative entrepreneur and provocateur Gene McDonald of Boca Raton often gets a rise out of liberals and Democrats. But he recently ran afoul of the organizers of an A-list conservative confab headlined by Vice President Dick Cheney. McDonald, who markets in-your-face conservative stickers, T-shirts and other paraphernalia through his www.0cents.com Web site, was a vendor at the 30th annual Conservative Political Action Committee conference in Arlington, Va. Along with anti-United Nations, pro-gun and anti-Democrat offerings, his wares included "No Muslims -- No Terrorism" stickers and an "Islam: Religion of Peace" image with a swastika replacing the S in Islam. CPAC...