Breaking News: Barack Obama To Campaign With VP Choice On Saturday In Springfield, Illinois.

This begs the question whether Joe Biden will be back from his Georgia trip by then or whether Barack Obama is hoping to raise KAINE (of Virginia) instead?

Or could it be that it will be Bayh of Indiana or Sebelius of Kansas (both are doubtful)?

Stay tuned for rapid developments as they occur.

QUICK Update: Joe Biden says he's NOT the one. So that leaves Obam raising KAINE.