McCain spokesman on Veep vetter's resignation: "America can't afford a president who flip-flops on key questions in the course of 24 hours. That's not change we can believe in."
Counter-response from Team Obama asks why they don't see "a similar 'perception problem'" with their veep vetter, a prominent D.C. lobbyist.
Earlier: Obama accepts the former Fannie Mae CEO's resignation following controversy regarding his mortgage loans, says Johnson didn't want to "distract" from the process.
Johnson says his withdrawal doesn't mean he accepts "the blatantly false statements and misrepresentations" written about him.
