Berkley Ethics Investigation Moving Forward * NEVADA SENATE – ETHICS INVESTIGATION INTO BERKLEY MOVING AHEAD: “In a major blow to Rep. Shelley Berkley’s Senate campaign, the House Ethics Committee announced Monday that it will formally investigate the Nevada Democrat over allegations she used her office to aid her husband’s medical practice,” John Bresnahan reports. “Berkley has denied any wrongdoing, but Monday’s announcement – which comes in the middle of Berkley’s challenge to GOP Sen. Dean Heller – could seriously shake up a Senate race that has national implications. Berkley has been close in recent polls, and a Democratic victory in Nevada would help the party protect its slim, four-seat Senate majority…Berkley’s ethics problems began last September after The New York Times reported that Berkley used her office to aid her husband’s kidney transplant practice in Las Vegas…According to the statement released on Monday by Ethics Committee Chairman Jo Bonner o