The so-called "Senate curse" is not the only obstacle that conventional wisdom throws before the upper chamber's presidential hopefuls. The four Democrats and one Republican must also be careful about missing crucial votes while on the trail, as Barack Obama and John McCain know well.
But McCain's campaign is doing its best to flip that risk into an advantage. In an email to reporters this hour, aides note that the Arizonan "has cancelled his New Hampshire events scheduled for tomorrow" to return to Washington for a vote on appeals court nominee (and conservative idol) Leslie Southwick.
