Geoff Nunberg discussed "slippery slopes" yesterday on Fresh Air. He references Eugene Volokh but only Volokh's 'traffic camera' argument.
Lileks just ruined my morning:
And any office, any office, contains a small drain hidden in your cubicle, and if you listen closely you can hear your mortal allotment gurgling down the pipe. It’s the sitting in one place that does it, and nothing more.