WASHINGTON, Oct. 16 (Xinhua) -- U.S. Republican presidential nominee Mitt Romney leads President Barack Obama by four percentage points among likely voters in top swing states, thanks to a surge in support by women voters, finds a latest poll on Tuesday.
As the two candidates heading into the second debate Tuesday night in New York, the USA Today/Gallup Poll shows that Romney is leading Obama 50 percent to 46 percent in 12 crucial swing states, as Obama's previous lead among women voters has sharply declined to a virtual tie of 49 percent to 48 percent.
Nationwide, Gallup finds the candidates are locked in a dead heat. While Obama enjoys a slight lead over Romney among registered voter by 48 percent to 46 percent, Romney leads Obama among likely voters by 49 percent to 47 percent.
Women voter are crucial for a victory for Obama as he led former Republican challenger John McCain by 13 points among women voters in the 2008 presidential race.
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