Next week I’ll be traveling to Chicago to join hundreds of fellow marketers at Search Engine Strategies Chicago, where I’ll be doing a couple of sessions. There are many new and interesting sessions. I’m looking forward to attending the keynote by Dan Siroker, who led the analytics team for Barack Obama’s presidential campaign and is a former Google employee as well. The title of his presentation is, “How We Used Data to Win the Presidential Election.” I’ve read about it,…