...according to Nate Silver.
I think this means some of them are not genuine. This is why certain pollsters must be removed in order to get sensible data. The spin doctors have realised the appearance of winning is as important as anything. So they craft corrupt polls using friendly polling organisations.
These simply don't match the independent polls. So "The. Polls. Have. Stopped. Making. Any. Sense."
Ipsos/Reuters (Web) NEW! 9/16 - 9/20 1,437 LV 48 43 6 Obama +5
Rasmussen NEW! 9/17 - 9/19 1,500 LV 47 45 4 Obama +2
Gallup NEW! 9/13 - 9/19 3,050 RV 47 47 - -
UConn/Hartford Courant NEW! 9/11 - 9/18 1,148 LV 46 43 8 Obama +3
YouGov/Economist 9/15 - 9/17 943 RV 49 44 3 Obama +5
AP-GfK 9/13 - 9/17 807 LV 47 46 7 Obama +1
Rasmussen 9/14 - 9/16 1,500 LV 45 47 4 Romney +2
Monmouth 9/13 - 9/16 1,344 LV 48 45 4 Obama +3
DailyKos/SEIU/PPP (D) 9/13 - 9/16 1,000 LV 50 46 4 Obama +4
NBC/WSJ 9/12 - 9/16 736 LV 50 45 3 Obama +5