The Democratic nomination will come down to the 800 so-called super-delegates. This is an excellent New York Times article which explains something about who these people are and how they will make up their mind.
The most interesting takeaway from the article is that both Clinton and Obama have Political Action Committees (PAC) which actually give cash to the super-delegates. Now to be fair the money is for the super-delegates' re-election campaigns and not their household expenses. But to me this looks like old-style influence peddling. Certainly not the new way of doing things that Obama has promised. But who is the champion donor to super-delegates? None other than Obama himself. His PAC, the syrupy named Hopefund, has given $694,000 since 2005, to Hillpac's $195,000. Now who is doing politics differently?