To find out just how the Supreme Court’s Citizens United decision has transformed political races in America, Frontline teamed up with Marketplace to look at the role of campaign finance in the race for one hotly-contested Montana Senate seat. The Frontline documentary, “Big Sky, Big Money,” produced by our partner WGBH, airs tomorrow night.
Kai Ryssdal, host of Marketplace, explains what he discovered while working on the documentary.