I personally tend to overdo the sarcasm thing sometimes, but this nifty rhetorcial device works quite well in measured doses, especially when Josh Marshall's doing it::

And in case there’s any unclarity, when I referred to September 11th, I was referring to the terrorist attacks that happened on that day. And in the previous sentence when I referred to 'terrorist attacks' I was referring to the hijacked airliners that were flown into the Twin Towers, the Pentagon and the field in central Pennsylvania.

If I'm not mistaken, this is the second time this week Sullivan has indicated he has trouble reading. 'Supwiddat?