I think the whole thing goes to show you that you can put anything in a "blog" and most people will take it as factual reporting. Remember the "Obama Sekretly Endz FFDO Program" fiasco from a few weeks ago?
A blog.
As long as it's written as a blog, there are no journalistic responsibilities for the accuracy of the core issues.
Politically, they're basically plants for the political machines to play 'talking head tee ball' with.