On The Upshot, Derek Willis analyzes data on Super PAC activity in the 2014 election cycle, and finds: “[T]hey have expanded their activities far beyond the original model. In what is a perfectly legal maneuver in many states, they are at work in state elections, provide a foundation for future elections and serve as a source of money for other political committees.”  Renata Strause and I anticipated and discussed the reasons for this development in The New Soft Money.