Wednesday on Lake Effect:
A Milwaukee researcher says amid the concern over concussions in sports, there is some good news in how head injuries are understood and how people recover. Later, ahead of an appearance at the Harley-Davidson Museum, NPR’s Peter Sagal talks about his public TV series on the living, breathing, and evolving US Constitution and about Carl Kasell’s retirement from Wait Wait, Don’t Tell Me!. And we’ll listen back to our 2012 interview with Carl Kasell about his long career in radio.