I'm not one of those "everything Obama does is wrong" people, but the man has been frightfully wrong on Police State issues, IMO, as well as persecution of whistle-blowers.
And that's not just it. Also on deportation, health care (written by the insurance companies), drone strikes, JSPO, freedom of expression [0] and the list goes on and on...
I am not one of those either, he has done some good, but he hasn't done anything that I was planning on him to do (thinking (un-)PATRIOT Act and Guantanamo for example).