White House Blocks Testimony by First Lady's Ex-Top Aide in Walpin Case Republican efforts to interview a former top aide to Michelle Obama in the controversial case of a fired inspector general have been stymied by the White House, the the top Republican looking into the case said Tuesday Republican efforts to interview a former top aide to Michelle Obama in the controversial case of a fired inspector general have been stymied by the White House, the top Republican looking into the case said Tuesday. The White House counsel's office has blocked Republican investigators from interviewing Jackie Norris, former chief...