Nate Silver: GOP Has 68.5% Chance Of Taking US Senate

Wonder statistician Nate Silver says Republican chances of taking over the Senate are now 68.5% - the highest they've been all year.

Silver's predictions on the top ten US Senate races:

1. Montana (99.8 percent chance of a GOP win)

2. South Dakota (99 percent)

3. West Virginia (98 percent)

4. Arkansas (90 percent chance)

5. Louisiana (77 percent chance)

6. Colorado (75 percent chance)

7. Iowa (67 percent chance)

8. Alaska (67 percent chance)

9. North Carolina (32 percent chance)

10. New Hampshire (17 percent chance)