North Carolina

“North Carolina's population has nearly doubled since 1970, fueled by an economic expansion that brought an influx of Midwesterners, Northeasterners and nonwhites and turning the state from a Republican presidential stronghold into a battleground.”

http://www.newsday.com/news/nation/nc-a-mix-of-old-and-new-in-southern-swing-state-1.4079654

The Romney bounce

“The evidence that Mr. Romney’s bounce is receding some is only modestly strong — as opposed to the evidence that he got a significant bounce in the first place, which is very strong.”

http://fivethirtyeight.blogs.nytimes.com/2012/10/09/oct-8-a-great-poll-for-romney-in-perspective/