Time prevents passing comment, but I commend to you this article before I go:

It is time for the left that learns, that grows, that reflects, that has historical not rhetorical perspective, and that wants a future based on its own best values to say loudly to the left that never learns: You hijacked “left” in the last century, but you won’t get away with it again whatever guise you don.

Via the revolutions of the lepidoptera.