-- CNN. Back from an ad break at 8:55pm EDT, Wolf Blitzer went right to Candy Crowley on the floor with delegate. As she held up the woman's arm to show the purple heart on a band-aid on the woman's arm, Crowley explained: "This is Donna Cain, she's a delegate from Oregon wearing a, as you can see, a band-aid with a purple heart on it which begs the question, we know this is about John Kerry. Any hesitation about putting this on?" Cain said "none at all," leading Crowley to demand: "And where did you get it?" Cain simply...