Becoming president isn't always the result of years of strategic maneuvering and winning over a widespread section of constituencies and benefactors. As odd it may seem, sometimes becoming president can simply be the result of being in the right place at the right time.
American politics is unlike any other profession in that graduating from an esteemed institution of higher education and having direct experience in politics can actually be a liability rather than an asset.
Just as Romney's 47% number is not evidence of a massive breakdown of society, the 12% average decline in household incomes in the wake of the 2008 collapse may not actually be evidence of a widespread collapse in family incomes.
Biden's active appearances at black and Latino gatherings, his rough language and his policy expertise are a huge plus for Obama in a down and dirty campaign. Any talk about dumping Biden is just that: talk.
The Dems should be praying Cheney will show up and make a speech. It could be his "Pat Buchanan in '92" kind of speech, telling people exactly what he believes, and in the process handing the election to the opponent.