“Harry Potter” rebroadcasts a profile of author J.K. Rowling. “Going Home” rebroadcasts a segment on how African Americans in the north are re-migrating to what was once the segregated south. “Clinton & Dole” debate Americorp and volunteering. “Diego... (more) Garcia” looks at how 2,000 people displaced from an Indian Ocean atoll are not allowed to return due to a secret U.S. military base. “Andy Rooney” talks about boxes.