If you've tried to comment in the past couple of days and couldn't, try again. I tinkered with the settings the other day and seem to have disabled comments by mistake. I think I've fixed it. If it's still a problem, let me know.
Mary Newsom is an Observer associate editor and op-ed columnist who's been covering growth, neighborhoods, urban design, sustainable development and related topics since 1995. In "The Naked City" you'll read her take on those topics and others.