 Another late-March poll found Obama maintaining his positive rating and limiting his negative rating better than his chief rival, Clinton.The NBC News and "Wall Street Journal" poll showed Obama losing two points of positive rating and gaining four points of negative rating, while Clinton lost eight points of positive rating and gained five points of negative rating.A "Newsweek" poll taken on April 16–17 showed Obama leading Clinton 54 to 35 percent among Democrats and Democratic-leaning registered voters.