Because of our pressure, two co-founders of Mark Zuckerberg’s dark-money group withdrew their support over the organization’s cynical political strategy.

Now it’s time for other major backers of — including LinkedIn’s Reid Hoffman, Yahoo’s Marissa Mayer, Kleiner Perkins’ John Doerr, and Microsoft’s founder Bill Gates and CEO Steve Ballmer — to take the same step and disavow these flawed political tactics.

Tell’s major backers: Reject the cynical politics of, and resign from the organization now.

(via Progressives United / Action / Backers: Resign Now)