First thing is to make sure Biden remembers to show up.  Second thing is keeping him awake.

And oh, where the heck has good old Joe been lately?  Ryan and Romney are campaigning together.  Did Obama forget Biden somewhere?  On purpose?

Then there is this:

That appearance came five months ago — a point not lost on some of Biden’s detractors, some of whom contend that in addition to being gaffe-prone, the vice president sits down for interviews so infrequently he must be part of “an Obama-campaign-designed Witness Protection Program."

http://www.bendbulletin.com/article/20121005/NEWS0107/210050355/

and this:

This is deadly earnest, man. This is deadly earnest,” the vice president said. “How they can justify, how they can justify raising taxes on the middle class that has been buried the last four years — how in Lord's name can they justify raising their taxes with these tax cuts.”

“Vice President Biden made a stunning admission today and we couldn’t agree more: the middle class has been ‘buried’ under the last four years of this President’s policies," said Romney campaign spokeswoman Amanda Henneberg. "Under President Obama, the middle class has suffered from crushing unemployment, rising prices and falling incomes. They can’t afford to be ‘buried’ for four more years."

http://thehill.com/homenews/administration/259741-biden-middle-class-has-been-buried