Terry Gross

Republican and Democratic SuperPACs, empowered by the Supreme Court's Citizens United decision, can collect unlimited contributions from individuals, corporations and unions. Potter became a celebrity when he signed on as Stephen Colbert's lawyer and advised the satirical TV host on how to create his own SuperPAC.

Advertisers collect information with every digital move people make. They then target ads based on that information. Communications scholar Joseph Turow worries that advertisers will use such data to discriminate against people and put them into "reputation silos."

The standards singer's new solo album, Strictly Romancin', explores the ups and downs of love. Russell sings several tracks from the record during this interview and performance.