Bush's ratings still in low range of presidencyPRINCETON, NJ -- A new Gallup survey finds Massachusetts Sen. John Kerry enjoying a slight lead over President George W. Bush, while Bush's approval ratings remain relatively unchanged, but for the most part in negative territory. The president's continuing strength is in the public's perception of how well he is fighting the war on terrorism, while his performance ratings in other areas -- the economy, foreign affairs, the situation in Iraq, energy policy, and prescription drugs for older Americans -- all elicit higher disapproval than approval.The poll, conducted June 3-6, overlapped news of...