MEDIA ADVISORY, April 12 /Christian Newswire/ -- The FBI destroyed a file on Barack Obama's grandfather, the man who selected Communist Frank Marshall Davis to be the future president's mentor during his growing-up years in Hawaii. "The FBI confirms that a file was maintained on Obama's grandfather, Stanley Armour Dunham," states Cliff Kincaid, the journalist who runs the public policy group, America's Survival, Inc. (ASI). "This is a troubling development in the effort to understand the Marxism that drives Obama's policies as president today." In correspondence with Kincaid, available at www.usasurvival.org, the FBI says the file was destroyed in 1997....