03/04/2008 06:01 pm ET Updated May 25, 2011

Bloggers Go To Bat For Obama

Nearly 15,000 protest letters sent in just a matter of days in response to a single AP news article? That could mark the dawn of a new era in progressive media activism. The phenomenon received very little mainstream media attention, but make no mistake: It was a very big deal.

This White House campaign is going to be the test case to see whether the more fully matured liberal blogosphere is able to alter the mainstream media landscape at all. Whether it's going to be able to knock the press off some of its favorite, predisposed biases against Democrats. From the looks of the eruption the AP created, progressives have already made enormous strides since the 2004 campaign.

Read the full Media Matters column here.