Simple enough:
The last few days have been “gaffe-tastic” for O’Biden.
Maybe Hillary will step in at the last minute?
UPDATE:
“No, hold on a second Matt,” Obama said. “I think what drives people crazy about politics is the fact that somebody like John McCain who for 26 years has been an advocate for deregulation, for 26 years has said the market is king and then starts going out there suggesting somehow that he’s a populist who’s been railing against Wall Street and regulation — that’s what drives people crazy about politics.”
Please see video above. Repeat.

[...] Obama on McCain’s Reform Record « Above My Pay Grade! [...]