Larry Martin owns Frontera Bar and Grill, a Tex-Mex restaurant in Kuala Lumpur. He imports mesquite charcoal from San Francisco and, he says, "serves peace love and American hegemony, one plate of tacos at a time" to Malaysian customers. In his spare time, he writes a semi-anonymous blog, An American Expat in Southeast Asia, on which he rails against mainstream American media, multiculturalism — and Barack Obama. And that is how Martin has come to the attention of a broader audience. His blog is repeatedly cited as a source in Jerome R. Corsi's best-selling anti-Obama book, Obama Nation: Leftist Politics...