We can measure the damage.
In KY, up to 47% of her supporters will vote for McCain over Obama ...
Meanwhile, while Clinton ties down Obama in various states, McCain is free to go to Florida and shape the battlefield there, using his trademark distortion to frame Obama, before he has a chance in that state ....
Update: The campaign that cannot do math has sent out a press release that they raised $22 million in April, a figure that they've gotten wrong before when the final report was due/filed.
Update: Some commentators are suggesting a "core" of 20-25% of Republican-leaning democrats in the 47%. I ask, "Is McCain really that attractive?"