MacArthur Genius; Alice Hoffman

Host Deborah Becker talks to a criminologist about the sex offender registry in Mass. We also talk to MacArthur "Genius" award winner Sunil Amrith, professor of South Asian Studies at Harvard. Plus: Sports with Bill Littlefield. And author Alice Hoffman joins us to talk about her new novel, a prequel to "Practical Magic," called "The Rules of Magic."