In the early 1980s, two things were probably true about your TV. One, it was enormous. And two, it was at your house.They were in family rooms, in TV rooms. It was a place that you went to watch TV. But what if you're at church and you'd rather be watching the baseball game. Or what if you're at your kids' baseball game and you'd rather watch, frankly, anything else at all.Well, Sony, maker of the Walkman, changer of the way that we all listen to music, has something for you. It's called the Watchman and it ...