Democrat Barack Obama's once double-digit lead in Washington state is no more, according to this latest SurveyUSA poll conducted exclusively for KING-TV Seattle and KATU-TV Portland Oregon. In an election today, 09/08/08, eight weeks till votes are counted, it's Obama 49%, McCain 45%. Compared to an identical SurveyUSA poll 4 weeks ago (before both candidates had named their running mates), Obama is down 2 points; McCain is up 1. Compared to an identical SurveyUSA poll 8 weeks ago, Obama is down 6; McCain is up 6. Obama led by 17 points in June, led by 16 points in July, led...