If the presidential election was held now, Mr Obama would win 51 percent of votes, ahead of 45 percent for Mitt Romney, the Republican frontrunner, according to the ABC/Washington Post survey. It is the first time that any contender has broken the 50 percent barrier in months. "I deserve a second term, but I am not done," said Mr Obama. "We've created 3.7 million jobs in the last 23 months. We've created the most jobs since 2005, the most manufacturing jobs since 1990, but we're not finished." Mr Romney leads the Republican field after winning the Nevada caucuses over the