Professor John Carroll

Storms and damage along California's coast continue with a heavy atmospheric river raining down. San Diego is facing concerns about flooding as rain is expected there through Friday.

In January, Massachusetts Senator Scott Brown and his Democratic challenger Elizabeth Warren agreed to “the People’s Pledge,” a voluntary enforcement scheme designed to banish Super PAC and special-interest advertising from their campaign. To the amazement of campaign-watchers everywhere, thus far, it has worked. Brooke talks to Boston University Mass Communications professor and Campaign Outsider blogger John Carroll about why and what, if anything, the success of the Pledge means for the rest of the country.