This past Wednesday afternoon, during a panel discussion on social media and the 2012 elections at The Century Foundation in New York City, Nicco Mele, a lecturer at Harvard University who was Howard Dean's webmaster and whose company, EchoDitto, worked on Barack Obama's web campaign for U.S. Senate, made a startling statement: it's not too late for a national Democrat to put together a 2012 primary challenge. Said Mele: "You could have a candidate announce in September and raise $30 million on the Internet to challenge Barack Obama in the Democratic primary." He argued that a "compelling platform" could be put together around the issues of the unfinished Afghan and Iraq wars, dissatisfaction with health care reform, and the bailouts...