A year after the death of Aaron Swarz, who convinced him to take up the fight, academic and activist Lawrence Lessig has launched the MAYDAY Citizens' SuperPAC, an ambitious campaign to fight corruption in American politics by raising enough money - starting with $1 million in 30 days - to elect legislators who will pass meaningful campaign finance reform. Likening the effort to leaping off a high building, but also "the beginning of hope," Lessig describes his "unstoppable walk to political...