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Federal regulations and new technologies are paving the way toward digital broadcasting on TV and radio. All-digital broadcasting means clearer pictures and sound, more local channels and an end to static. But some say it could also mean more power for big media corporations and a bigger "digital divide" between rich and poor. We'll look at what the "end of analog" really means and where the transition to digital broadcasting is at today. Laura's guests are Jim Barry, "digital answer man" for the Consumer Electronics Association and Michael Keith, Assistant Professor of Communication at Boston College and Author of numerous books on radio and television. We'll also hear from Scott McPherson, Assistant General Manager of New Hampshire Public Radio.