It’s true, as David Leonhardt says, that Lou Dobbs is a liar. On the other hand, why is this news? Is Glenn Beck not a liar? Rush Limbaugh? Sean Hannity? Charles Krauthammer? Why is it suddenly a problem? I don’t want to defend Dobbs — he’s scum — but it seems to me that it’s probably not a coincidence that Dobbs has some inclinations toward genuine advocacy for working class interests in there along with the rancid racism, demagoguery, lying, etc. After all, the people who provide the rest of that stuff straight-up don’t seem to produce nearly the same volume of disquiet.