You history is a bit skewed. When Dems may not be deficit hawks, and they don't like bullshit ideas to solve the deficit, they govern fairly and responsibly. Re whatever Obama may have backed as a senator (and really wish I had the details) in fact "liar loans" -preceded obama's stint in the Senate. I work in financial services and really don't remember Bush trying to stop the mortgage crises or worse still the credit default swaps.

Yes it is reasonable to worry about Fannie Mae but they were not at the heart of the crisis - it was the much more about the agencies that rate bonds and out of control leverage.

And yes the GOP points out the issues with medicare and social security. But they can be fixed fairly easily (that is a relatively small tax increase - or possibly tweaking benefits). And in default, benefits will be payable at 75% or so - so actually much better than most defaults.