Earlier, the Republican National Committee pounced on Obama's improbable statement that an uncle had served in the unit that liberated Auschwitz. In fact, campaign spokesman Bill Burton says, his great uncle was a member of the 89th Infantry Division that liberated the Ohrduf camp, part of Buchenwald and, according to the Holocaust Museum, the first concentration camp liberated by U.S. troops. The soldier in question, Burton said, is Obama's grandmother's brother, who's still alive. UPDATE: "Senator Obama’s family is proud of the service of his grandfather and uncles in World War II – especially the fact that his great uncle...