The concern about this should not be so much whether supers might really switch, but in the zeal the Hillary backers still have and how much they want to derail Obama. The democrats can't deny Obama the nomination or they risk the whole black constituency. However if he is forced to step down, then Hillary can step in with no blood on her hands (that we can see). Hillary's plan is to run in 2012 when McCain does not seek a second term. For that to work she needs Obama to lose.

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Light travels faster than sound. That's why so many people appear bright until you hear them speak. On ignore: farmer_fred, Birdzeye