I think he will be re-elected for a couple keys reasons:

1) His base loves him.
2) He is resilient to controversy through his use of media redirection.  (He can do and say stuff that other presidents never could.. for some reason.)
3) He did actually lower taxes, so that will keep the fiscal conservatives with him.

His weaknesses/shortcomings (perceived or otherwise) are not probably not going be enough.

With that said, the democrats are obviously quite motivate now...