In a special investigation in collaboration with “Marketplace,” FRONTLINE travels to the remote epicenter of the campaign finance debate for a tale of money, politics and intrigue. How has the Supreme Court’s Citizens United decision changed campaigns in America? Ask Montana, which has tried to challenge the ruling in court, is investigating alleged campaign abuses and is playing host to a bitter race that could decide control of the U.S. Senate. FRONTLINE correspondent and “Marketplace” host Kai Ryssdal reports. Also this hour: PBS NEWSHOUR correspondent Hari Sreenivasan, reporting for FRONTLINE, goes deep inside the Romney and Obama campaigns to uncover how data collected from millions of Americans is being used by both camps to target their messages, get out the vote and shape the election.
"Big Sky, Big Money" on Frontline airs Thursday, November 1st at 7:00 p.m.