The latest USA Today/Gallup poll shows that President Obama is leading among women voters in swing states by 18 points.

TalkingPointsMemo.com reports that women under 50 have been rejecting the GOP and turning to Obama. Mitt Romney’s pollster, Neil Newhouse spoke to USA Today, and said that the drop was not entirely Romney’s fault.

President Obama has emerged with an impressive lead in swing states around the country — thanks to women voters abandoning the GOP in droves, according to a new USA Today/Gallup poll showing President Obama leading among women voters in the top dozen battleground states by a whopping 18 points — greater than the 12-point gender gap he won with in 2008.

One month ago, the same poll showed Mitt Romney leading the president by 2 percentage points; but Sunday, the newest poll gave Obama a 9-point lead, 51 percent to 42 percent. The change, the poll indicates, comes from women:

“The biggest change came among women under 50. In mid-February, just under half of those voters supported Obama. Now more than six in 10 do while Romney’s support among them has dropped by 14 points, to 30%. The president leads him 2-1 in this group.”

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