Emergency TV turn-ons by government don't click with many Technology exists; question is whether it should be used By Seth Borenstein KNIGHT RIDDER NEWS SERVICEApril 10, 2002 WASHINGTON - If your TV is off when disaster looms, some emergency managers want to be able to turn it on to warn you of the coming danger. The technology that would allow the government to remotely activate your television or radio already exists. But it's never caught on because so many people don't like the idea of government reaching into their homes. Still, one emergency specialist who believes a "smart receiver" system...