Rush Limbaugh accuses Gallup of "upping the sample to black Americans to keep [Obama] up at 50% in the Gallup poll." Media Matters has the audio. Gallup's Frank Newport responds calling Limbaugh's statement, appropriately, "a complete and inexplicable fabrication."
Greg Sargent explains why this "lurid utterance...even by Rush's standards...is such a casually reckless smear, so nonchalant in its play on racially-charged paranoia about this president, that it really deserves to be flagged as a reminder of where we are today."
Gallup finds Obama's job approval dropping to 49%.
Anthony Salvanto looks at the politics of the health care vote for Ben Nelson, Mary Landrieu, Blanche Lincoln.
Mark Mellman and Geoff Garin tell Democratic Senators that their fate is joined with Obama's health care plan.
Health Care for America Now (HCAN) distributes polling showing support for an up-or-down vote on health reform.
David Paul Kuhn finds support for the GOP among white women.
Chris Bowers does a graphical comparison of Obama's recent approval rating an the Obama-McCain vote.
Nate Silver shows a close parallel between Barack Obama's overall rating and his ratings on the economy and health care.
Chris Good reviews Sarah Palin's popularity.
The DNC hits back at a Politico story on independents turning on Democrats.
Nathaniel Persily blogs more about public opinion and hate speech.
Research Rockstar recommends five favorite market research blogs.
[Updated to move "appropriately" in first item to a more appropriate spot].