Edwards Still Being Asked About 527s

(CBS)
MUSCATINE, IOWA -- John Edwards said there's "great energy and organization and the campaign's growing every single day." He said he expects to "close strong."
But the issue of independent political groups, or 527s, won't quite go away. In the press conference, he took three questions, all of them on 527s and the one group running TV ads on Edwards' behalf.
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