After 20 years of continuous service, the 26” color TV in our bedroom became toast about a month ago. There was no reviving it. Lauren and I had gotten into a familiar routine as I’m sure millions of other couples have—flipping on the TV while getting ready for bed, watching the assortment of late night hosts and finally getting sleepy enough to turn it off before retiring for the night. For decades, what I just described was America’s ritual when Johnny Carson hosted The Tonight Show on NBC. When the TV first broke, our intention was to buy...