Kurtz: "Does the campaign trail still matter much in an age of digital warfare?"

Does the campaign trail still matter much in an age of digital warfare? Or is it now a mere sideshow, meant to provide the media with pretty pictures of colorful crowds while the guts of the contest unfold elsewhere? And if so, are the boys (and girls) on the bus spinning their wheels?

“Anything interesting that happens on the road is going to be eaten up before you can get to it,” says Slate correspondent John Dickerson.