McClatchy Washington Bureau | 04/16/2007 | U.S. challenged on action against key bank

McClatchy Washington Bureau | 04/16/2007 | U.S. challenged on action against key bank The headline says "challenged." The story says that the US' freezing North Korean assets in Banco Delta Asia - resulting in North Korea's walking out of nuclear talks in September, 2005 - had "no basis in fact."