They're not swing states, but they have a lot of swing voters: Nate Silver
                                
                                
                                    (Newser) -
                                    You already know all about swing states; today in the  New York Times , Nate Silver introduces another important factor in the 2012 election: elastic states, which can produce difficult-to-predict results. Swing states, he explains, sometimes have very few swing voters (see North Carolina, where likely Democratic voters are fairly evenly...