Last year saw the first fatal shark attack in Massachusetts since 1936, and the summer beach season has already seen several closings in response to shark sightings in Cape Cod. Are vacationers right to be afraid, or is everyone getting whipped up into shark panic?

Jim Braude was joined by Boston Globe Magazine writer Neil Swidey, who recently wrote a piece on the issue, and David Ropeik, a risk analysis consultant and the author of "How Risky Is It Really? Why Our Fears Don't Always Match The Facts."