Have the initiatives undertaken by the McCain campaign to achieve separation from George W. Bush -- such as his frequent discussion of his POW past and his focus on energy and environmental policies -- achieved their desired goal? Not according to a new poll from Gallup , which finds that a big majority of Americans is either very or somewhat concerned that McCain would pursue policies too similar to those of President Bush: Sixty eight percent are concerned about this, the poll finds. Even more tellingly, the survey also finds that 67% of independents are worried about this, too. That's some very fertile ground for the Democratic message to take root in. Separately, Think Progress has some examples that demonstrate that Americans have good reason to fear this. ...