The Web has no shortage of self-anointed experts, and the Expert Network is our way of reclaiming a little nook of cyberspace where depth of knowledge and expertise still reign. To that end, we’ve chosen people who are the best of the best of the best in a variety of fields and equipped them with webcams. Every couple of weeks, they will report on the latest developments in their area of expertise. It’s a finger on the pulse of academia, business, politics, science and art.