'Curveball'

Toni Stone was the first woman to play professional baseball in the Negro Leagues. She was living in Oakland when she signed with the Indianapolis Clowns in 1953. Stone's story is chronicled in the new book "Curveball." Scott Shafer talked with author Martha Ackmann about Toni Stone and what she was up against as an African American woman playing pro baseball in the era of Jim Crow.