If all politics is local, then locally-focused blogs are obviously important to anyone engaged in politics. But since the internet doesn't come with zipcodes attached to urls, it's not obvious how to discover these nodes of conversation and community? How to find blogs that are local hubs? Here are seven easy (and free) steps you can take: 1. Look up your location (town, city, state) in Placeblogger.com, a spanking new directory of 650 "hyper-local" bloggers built by former journalist and blogger Lisa Williams (of H2Otown), with advisory help from Jay Rosen and Dan Gillmor. (Full disclosure: I'm fans of all three.) Since the site is new, the coverage is still choppy (Williams only has two blogs for Baltimore, for example,...