Is the Colorado Senate race over?

The National Republican Senatorial Committee will not be buying ads to support Republican Senate candidate Bob Schaffer during the last week of his campaign in Colorado, presumably because they've given up hope for a win. This decision comes after the Democratic Senatorial Campaign Committee withdrew their funding from the Colorado race, presumably because they don't think that Mark Udall, the Democratic candidate, is in danger of losing.

Given how well Tom Udall is doing in the polls in New Mexico, it's looking more and more likely that there will be two members of the Udall family -- arguably the most influential family in the history of the Western conservation movement -- in the Senate next year. There might be three, if you're willing to count Gordon Smith, a moderate Oregon Republican and distant cousin of the other two Udalls, as part of the clan. But that depends on whether Smith manages to survive his hotly-contested re-election fight. With Obama polling well in Oregon -- and voters angry at incumbents in general -- that's anything but a foregone conclusion.