Who are these people?

Great story in the The New Yorker about the undecideds, by the brilliant David Sedaris. It is a wonder of the universe. Who are these people? {Said in a an exasperated, slightly condescending tone.]

Undecided
David Sedaris
The New Yorker, Oct. 27, 2008
I don’t know that it was always this way, but, for as long as I can remember, just as we move into the final weeks of the Presidential campaign the focus shifts to the undecided voters. “Who are they?” the news anchors ask. “And how might they determine the outcome of this election?”