I just can’t resist:

Nevada: Obama 51%, McCain 46%, with a ±3.5% margin of error. Three weeks ago, Obama was up 51%-47%.•

North Carolina: Obama 51%, McCain 47%, with a ±4% margin of error. Two weeks ago, it was a 49%-49% tie.•

Ohio: Obama 50%, McCain 46%, with a ±3.5% margin of error. Two weeks ago, Obama was ahead 50%-47%.•

Virginia: Obama 54%, McCain 44%, outside of the ±4% margin of error. This is basically unchanged from Obama’s 53%-43% lead a week ago.