Margaret Renkl: In praise of PBS, a true democratic institution
(Gene J. Puskar | AP file photo) This June 28, 1989, photo, shows Fred Rogers as he rehearses the opening of his PBS show "Mister Rogers' Neighborhood" during a taping in Pittsburgh.
(Gene J. Puskar | AP file photo) This June 28, 1989, photo, shows Fred Rogers as he rehearses the opening of his PBS show "Mister Rogers' Neighborhood" during a taping in Pittsburgh.