The poll shows Bush's job approval rating is virtually identical to last month's rating. But that can't be good news to John McCain who is being tied to the unpopular president by his two potential opponents on the democratic side, Barack Obama and Hillary Clinton. McCain has been trying to distance himself from Bush on several fronts and, so far, it appears to be working in Kentucky where polls show McCain has a slim lead over Hillary Clinton in a head-to-head matchup and a huge lead over Barack Obama.