VP announcement comes as Romney’s poll numbers slip
Posted by
CNN's Ashley Killough
(CNN) - As Mitt Romney prepares to unveil his running mate pick Saturday morning, recent polls show President Barack Obama has expanded his margin over the presumptive GOP nominee.
According to a CNN/ORC International survey released Thursday, 52% of registered voters say they would support the president, while 45% are backing Romney.
In the same survey last month, Obama held a three-point margin over Romney, 49%- 46%, a difference that fell within the survey's sampling error.
The results are in line with three other surveys released in the last two days. CNN's Poll of Polls, which averages the most recent results, indicates Obama is ahead with 49% support, followed by Romney at 43%.
Romney has also been struggling to improve his popularity among voters in recent weeks, with polls showing that the Republican candidate's unfavorability ratings are on the rise.
His unfavorability rating jumped from 42% last month to 48% now. Meanwhile, the president's 56%-42% favorable-unfavorable rating changed little during the same time period, according to the new CNN/ORC International poll.
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I wonder if Romney is hoping the VP thing will give him a bounce or at least change the subject?
