See here. I hope none of those quoted here are breaking their arms patting themselves on the back. I agree wholeheartedly with the basic politics of the letter, and I'm all for organizing the Left to confront and oppose the Democrats. But "I told ya so" is no way to win over new recruits.
It doesn't make sense: you don't begin by creating a wedge between yourself and those you're trying to win over to progressive politics. You begin by staking your arguments commitments people already have, but which cannot be fulfilled by the means they presently endorse (i.e. giving resources and public support to the Democrats). It is a strength of the letter itself that it does precisely this: it documents the right-wing tilt of the Democrat's two years of crushing majorities in Washington. But this "what we were saying" page misses the mark, as does the "who we are" page.
You don't start a conversation with on-the-fence Obama supporters by telling them what dupes they are. You don't win them over with "told ya so" bragging.
You win them by showing them how the causes to which they're already committed (e.g. ending the wars, fighting for single-payer, taxing the rich, etc.) cannot be won without a left-wing movement independent of the Democrats. You win them by showing them, concretely, how the Democrats have opposed and thwarted progressive initiatives. You win them by talking about the history of struggle and how past gains were really won.
This "what we were saying" page reeks of "told ya so" bragging. The quoted parties should save it for a cocktail party. Organizing isn't about tooting your own horn- it's about working with commitments people already have and convincing them that such commitments are part of a bigger struggle for freedom and justice.
To be clear, I'm not saying that we, on the Left, need to play nice with the likes of Tom Hayden and Thomas Frank. They should be held accountable for what they said and did. What I'm talking about here is what's at stake in writing this whole letter in the first place: winning progressive minded people to the idea that their political convictions don't register in the two-party system.