Back in January, we updated our list of the fifty top political blogs, using one simple metric: # of incoming links as measured by the blog search engine Technorati. Well, the good folks at Technorati (yes, the company founded by my smarter little brother) have just rolled out a wholesale site redesign, along with some changes in how they track and rank blogs. The biggest change, for our purposes, is that they're no longer basing that metric on the past six months of blogospheric data. As they explain on their company blog: Because most searches are looking for items less than a month old, we’re going to narrow that window in a similar way. In the past, because the data window...