“Open-source politics is the idea that social networking and participatory technologies will revolutionize our ability to follow, support, and influence political campaigns. Forget party bosses in smoky backrooms—netroots evangelists and web consultants predict a wave of popular democracy as fundraisers meet on MySpace, YouTubers crank out attack ads, bloggers do oppo research, and cell-phone-activated flash mobs hold miniconventions in Second Life…” [Table of Contents for this issue]