August 21: Obama 39.94%, McCain 43.43%, Undecided 16.63%
August 28: Obama 40.04%, McCain 43.60%, Undecided 16.36%
September 4: Obama 41.06%, McCain 41.77%, Undecided 17.17%
September 11: Obama 42.04%, McCain 42.45%, Undecided 15.51%
September 18: Obama 39.62%, McCain 45.71%, Undecided 14.67%
Thanks! It's happy hour and this makes it much easier.