FOX News/Rasmussen Reports battleground polling this week shows some improvements for John McCain but the overall results still leave Barack Obama in a better position on the eve of the election.

Obama now leads in two of the battleground states while the candidates are tied or within a point of each other in four. At one level, that's an improvement for McCain. Last week, he was even in just two states while trailing in four.

But while it's an improvement for the GOP candidate, this week's results don't alter the underlying dynamic of the race. All six of these battleground states were Republican states in 2004 and McCain probably needs to win all six to capture the White House...