by Elva Ramirez, Wall Street Journal, USA - Western fashion often draws from other cultures – as evidenced by batik shirts, sarong skirts or the prevalence of plaid. But when Rachael Ray appeared in a Dunkin' Donuts ad wearing a black-and-white paisley scarf last week, conservatives accused her of donning a keffiyeh, the traditional headdress for Arabic men, and of supporting extremists. Dunkin' Donuts quickly pulled the ad. What seemed like A simple style choice suddenly ignited a long-simmering debate about the politics of clothing and the power of contex