I have to say that Biden did to Ryan what Cheney did to Edwards in style and demeanor and authoritah. Ryan was hampered by an insurmountable problem on the impossible mathematics of the Romney budget. I think his inability to answer that question - how do you pay for it? - has to be the driving question now. The only way to afford it is to cut middle class deductions and middle class entitlements much more than Obama-Biden would. I'd love radical tax reform - but I'm not crazy enough to believe you can actually tackle the debt by cutting taxes and increasing defense spending and leaving Medicare basically alone (no ACA-style cost-controls) and only removing deductions for the very rich. It doesn't add up. They know it. And when challenged - even by Fox News - he cannot provide the details.
Also, this is seriously good:
Ryan came off like a neophyte, spouting abstractions, while Biden brought the attack home. Good job, Joey the B.