Every nation gets the TV it deserves. And 1990s America, a land replete with both couch potatoes and high-tech capitalists, surely deserves high-definition television (HDTV), the digital TV signal whose aesthetic pleasures and economic efficiencies will transform the shows we watch and the boxes we watch them on. Last week the Federal Communications Commission voted to give broadcasters free channels on which to broadcast digital versions of their current programs. A few questions about the future of the boob tube:
Q: What's so great about digital TV?
A. Pretty much everything. Digital signals' startling improvements in visual detail and color produce...
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