Terry Gross

Paul Polak, founder of the nonprofit International Development Enterprises, has spent 25 years working to eradicate poverty. In Out of Poverty, he says simple technologies and a willingness to listen are key — and that government subsidies can do more harm than good.

Brothers David and Anton Treuer are members of the Ojibwe nation from the Leech Lake Reservation in northern Minnesota. Both professors, they work to preserve the Ojibwe language, one of the few Native American languages in active use.

Three years ago, journalist Steve Lopez met a homeless musician on skid row in Los Angeles. He soon learned that the man, Nathaniel Ayers, had once been a promising violinist, and that he had left the Juilliard School because of his struggle with mental illness. Ayers is the subject of Lopez's new book, The Soloist.