In it, he goes beyond the academic dryness and hypothetical fun we were having debating the philosophy of lying and the Church's position on it. In it, he gets to the heart of why lying is wrong in a particular case - the case of the "sting videos" that started this mess. In it, he transcends "lying" and shows a much more grievous sin at work.
And in it he comes up with the best line ever for that group of us who are both Tolkien fans and Three Stooges fans -
... for instance, I laud 40 Days for Life for shutting down [abortion] clinics all over the US, including in Seattle’s University District, which is like walking into Mordor and poking Sauron in the eye as if he were Moe Howard.
You need to read the piece.