Observation.

Say what you want about the Republicans but at least they are better losers than the Democrats. The day after the election I perused the right wing press and found something interesting. They were actually blaming themselves for their electoral defeat. They were talking about not picking the right candidate, how they need to better articulate their policies and that they needed to go back to the drawing board. Sure they are now having a mini-civil war but that is to be expected.
Now contrast this to the last few Democratic losses. In 2000 it wasn't the Democrats, their candidate and their message that made them lose it was Ralph Nader. In 2004, same thing, though this time it was the voting machines in Ohio that stole election. It wasn't that the Democratic Party chose another rich robot who wanted to escalate the War in Iraq when the party was, now, firmly against the war.