[Dave W]

Well, Walker is on his second term, so I assume he is not running for reelection. He is done in Wisconsin, unless he wants to go back to the state legislature or be the county executive again in Milwaukee.

Also, I read a few weeks ago that his favorability rating in Wisconsin had sunk to 38%.

It seems to be almost universal that politicians running for office while in a different position lose favor as many voters don't see that as appropriate. If you look like you are going down in flames, those same voters pile on even more. It's just the way it is.

[DoodleDawg]

Well, Walker is on his second term, so I assume he is not running for reelection.

He's not term-limited so he could if he wanted to. Not much else for him to do.