"Just last week, Stanley Greenberg [3] was
the polling mastermind guiding the way three liberal groups
spent tens of millions of dollars attacking President Bush
and registering voters. But he quit that position to be an
unpaid adviser to the Kerry campaign as it presses to
sharpen its message in the final 56 days before the
election. Mr. Greenberg is just the latest in a procession of top
strategists who have moved between the campaigns and
advocacy groups called 527's [4] - the very organizations that
are not supposed to coordinate their activities under
campaign finance rules."