Washington (CNN) - It's basically all knotted up between President Barack Obama and presumptive Republican presidential nominee Mitt Romney, according to an
average of three national surveys released over the past 24 hours.
A CNN Poll of Polls compiled and released Wednesday morning indicates that, on average, 47% of registered voters in the three surveys say they back Obama, with 45% supporting Romney, the former Massachusetts governor who is making his second bid for the White House. With Obama's two-point margin over Romney less than the sampling error of the surveys, it's fair to say that the race can be considered a dead heat.
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The three surveys are from NBC News/Wall Street Journal (May 16-20), ABC News/Washington Post (May 17-20), and Gallup's daily tracking poll (May 15-21).
As the CNN Poll of Polls is an average of other surveys, there is no sampling error for the results.
CNN Political Editor Paul Steinhauser contributed to this story