From everything I've read and heard it appears the Democrats won big tonight.
There ARE two great candidates who are both poised to continue a rousing fight to the very end of this nomination process, and if the contemporary public mood holds - one of them will, in all probability, be the President of the in less than a year from now.
...so...
Mayyyybe, it would be a really good idea if the left-leaning blogosphere didn't risk alienating either one of the candidates - who again in all likelihood will be POTUS for at least four years - so that when we want to start influencing policy, with whom ever the Democratic president is, there is still some gas in the tank.
Back your candidate, campaign like crazy for them - but do NOT put down the other candidates. It's the more classy choice to begin with, and it's also the choice that will not leave a fragmented party come time to fight the republican's smear tactics - and it's the choice that will leave the Dailykos and it's constituency in good standing and un-radicalized.
Whether your candidate wins or not, there is a tomorrow.