The recent passing of Charlie Watts shines a spotlight on the inevitable closing of the lives of the world's original rock and roll generation. It's a sad reality that a relatively small group of people created a collection of music that still thrives more than a half century later. And within the next 20 years, most of them will be dead. Before we catch up, let's look back. Just after Woodstock in June 1969, young music heroes Joni Mitchell, David Crosby, Stephen Stills, Grace Slick, Paul Kantner, and other members of Jefferson Airplane appeared on The Dick Cavett Show. Young stars fueled by idealism. So cute. It's now 52 years later. Let's check in on some of these same performers to see