This is not the contractors fault. Its the government. Before I left to work with a startup, I was abhorred by the lack of ownership on the client's side. Everybody is looking to shuffle responsibility, keep the lowest profile, and do the least amount of work.
It doesnt matter who's writing the code, unless they find somebody competent and passionate on the government side, large projects are destined to fail and better left off to be written by the public sector. This is government waste at its best.
I'm neither republican or democrat but just to add, if my rinky dink app I was working on for the Dept. Of Commerce gets shown to the president when its in 'ALPHA' state, there is no way the most informed person in the world didnt know that the site was going to fail from the get-go.