Terry Gross

The Canadian singer-songwriter discusses the death of her sister and singing partner Kate McGarrigle, who died in 2010. Their early albums have been remastered and are part of a new collection, which also includes previously unreleased songs.

William Dodd served four years as the ambassador to Germany before resigning -- after repeated clashes with both Nazi Party officials and the State Department. Erik Larson chronicles Dodd's time in Berlin in his new book, In the Garden of Beasts.

This week, we're listening back to some favorite Fresh Air interviews from the past decade. In 2011, Terry Gross spoke to the creators of South Park about their Broadway hit.