One of the reasons we picked the weekend of the 13th - 15th is because Ian is running for City Council in Columbia, MO and that is the weekend between the election and (hopefully) his swearing-in ceremony. Then he goes straight to England for a few weeks. Here's his campaign web site:
Pete and Ian were the first ones to commit and will be coming from different directions again just like last spring. It's strarting to feel like it would be wrong if we don't find them waiting at our put-in every year.