The Arizonan comes down hard on Obama's decision to quit public financing.
"He has completely reversed himself and gone back, not on his word to me, but the commitment he made to the American people."
Also: McCain's campaign releases chronology of Obama's statements while the RNC cites scorching Hillary Clinton quote from February.
Plus: Obama camp memo argues McCain "already opted out" when he "broke from the primary matching fund system." Read it here.
More on Thursday's announcement here.
HALPERIN'S TAKE: The truth about why Obama opted out — and what it means.
