hatriots = hate + patriots, in this case, hate-mongering + patriots
Take a quick jump over to Schott's Vocab Blog at the New York Times Web site. Hatriots refers to the militant right who try to incite others to rebel against everything Obaman. They see themselves as patriotic, preparing for another American Revolution (probably of the violent kind). Some of these groups (like the Hutaree) are borderline American terrorists.
The hatriots are proof that guns, ignorance, and rampant nationalism are a dangerous mixture.
The link above doesn't show the birth of this word. It goes back to before the 2008 election, even. More often than not, though, it referred to the New England Patriots back then. If only we could have left that all on the field.