George Pyle: Controversial homelessness guru makes sense. In context.

Robert Marbut would prefer that you do not refer to him as a “czar.”His official title, since December, is executive director of the United States Interagency Council on Homelessness. Which, he allows, is a mouthful. And if you tried to make it into one of those cool government acronyms — like NASA or SHIELD — it might wind up being pronounced, “Us-itch.”To his fans, and he has many, Marbut might be more casually referred to as the homelessness policy guru. To