Well, things have been rather stagnant lately on the blogging front (that should be obvious). One reason is that I'm on the road a lot these days. Two weeks ago I was in Rochester, giving a seminar there. Last week I was at a conference at Jefferson Lab, and this week I'm visiting the theory group here at Fermilab. While I'm here I'm giving a talk, and also I'm giving a seminar at Argonne national lab. All the while, I'm trying to get work done.
However, I've discovered one very important reason to keep blogging with a little more regularity. It took a non-trivial amount of time to clean up all the stupid comment spam that had piled up since my last post.