If you are interested in the substantive technical debate over this new plan (as opposed to the glib partisan talking points), I suggest following Paul Krugman's blog on the New York Times site at http://krugman.blogs.nytimes.com/. Here he expands his technical arguments, and engages in debate with others who are more sanguine about the plan. This will also lead you to other respected economists who are pro or con the plan.
And scan the comments following any posts of interest. The intellectual level of readers of his blog is far higher than average, and some of the comments are quite perceptive.
You might also find it informative to visit the New York Times Room for Debate site discussing this plan. This will give you the views of some other leading economists.
P.S. - for those who don't follow these things, Paul Krugman is Professor of Economics and International Affairs at the Woodrow Wilson School, Princeton University, and winner of the 2008 Nobel economics prize. That doesn't make him infallible, but it does make his views more persuasive than those of politically partisan talking heads.