If you want to get an insider's view on how one underfunded Democratic congressional candidate beat the insiders' handpicked contender and then went on to beat her Republican incumbent opponent, check out this diary on Daily Kos. Its author, who worked with Carol Shea-Porter as the second person besides the campaign manager hired on the campaign, writes that they "had a unique, and as history will note, a brilliant strategy to build a massive grass roots network. It was based on the book "The Tipping Point' by Malcome [sic] Gladwell, which is not a book about politics but about how trends spread through culture." And it's clear from his account that there several tipping points to Shea-Porter's campaign. Probably most important:...