Gloves, Off
Well, we'll see how this plays on Main Street:
As Ed Morrissey says, this will put an awful lot of pressure on McCain to "say it to his face" at the next debate.
On a not-unrelated note, Nate Silver notes that in the first three debates, Obama/Biden used the phrase "middle class" twenty one times, while McCain/Palin used it twice. And alas, it's not because John McCain read Grand New Party and decided to start saying "working class" instead.