The Library of Congress and Boston's WGBH celebrated the 50th anniversary of the passage of the Public Broadcasting Act of 1967 with a series of panels featuring pioneers and experts in public broadcasting. The symposium included discussions on news and public affairs talk shows, documentaries and educational uses of public broadcasting. Speakers included Librarian of Congress Carla Hayden, Letitia King, Jon Abbott, Newton Minow, Cokie Roberts, Nicholas Johnson, Bill Siemering, Henry Becton, Judy Woodruff, Jim Lehrer, Sharon Percy Rockefeller, Dick Cavett, Hugo Morales, Patricia Aufderheide, Clayborne Carson, David Fanning, Margaret Drain, Stephen Gong, Jennifer Lawson, Paula Apsell, Lloyd Morrisett and Kathryn Ostrofsky. For transcript and more information, visit www.loc.gov/today/cyberlc/feature_wdesc.php?rec=8208