"Bill Richardson is clearly embarrassed that he broke his promise to them. He should come out and tell the truth and admit that he told both Clintons that Obama wasn't ready and can't win."

ABC News reports:

Sen. Hillary Clinton, D-N.Y., and former President Bill Clinton are making very direct arguments to Democratic superdelegates, starkly insisting Sen. Barack Obama, D-Ill., cannot win a general election against presumptive Republican nominee,...