The WaPo article is online. Registration may be required to view it right now. Here's my favorite part:
"After getting over the initial shock of how stupid that it seemed they were for putting out a document like that," Miller said in a phone interview, "I think the most significant risk is that when . . . you see some of the things that are marked as "security sensitive information, you have to sort of smack your hand on your forehead and say, 'What are they thinking?' "
Nothing about the FOIA in there though. I'll follow up with the reporter tomorrow.