TAMPA, Fla. - Democrat John Kerry (news - web sites), shifting from the Iraq (news - web sites) war to the environment as Earth Day approaches, says President Bush (news - web sites) has presided over a "devastating deterioration" of the quality of the nation's air and water. Kerry on Tuesday was opening a three-day campaign swing centered on Bush's environmental record, starting with a Tampa event focused on clean water. He was being joined by Carol Browner, a former Environmental Protection Agency (news - web sites) administrator. On Monday, Kerry's campaign released a lengthy critique of Bush's treatment of...