Each candidate is favored by 42% of voters polled in the CBS News survey.

The Rasmussen Report poll for 9/5:
Registered voters poll:
46% Obama
45% McCain
Registered voters with 'leaners' included:
48% for Obama
46% for McCain

Today, 9/5, 21% of voters are considered to be swing voters, according to a Gallup Poll.

Candidate 'Favorability' ratings for McCain and Obama, according to Rasmussen Reports, indicate that each of the two presidential candidates receive a 57% favorability rating as of 9/5.
VP nominee Gov. Sarah Palin has a 58% favorability rating.