Over the next two weeks, before Washington hits the road for a little holiday cheer, we’ll be counting down the top 10 races you need to know about heading into the new year.

These races will include Senate, House and governor’s contests that are important, telling, or just downright entertaining. The common thread? You’ll definitely want to keep an eye on these races going forward.

Today's entry is No. 9...

Idaho's 2nd district GOP primary!

Aaron Blake takes a look at a congressional race where the Republican establishment and the tea party are going head to head. (The Washington Post)

(And a big thanks to PostTV’s Victoria Lewis for her work on producing this video countdown.)

Here’s the rundown, which will be updated as we go (and click on each entry for the video):

10. Illinois governor

9. Idaho's 2nd district

8. ????

7. ????

6. ????

5. ????

4. ????

3. ????

2. ????

1. ????