Danger: Distracted Drivers     Today we want to talk about what you do while you're driving. Now, we know there's lots going on when you're behind the wheel. Sometimes you may be to everything but the wheel. A new report shows as many as half of all accidents could be caused by driver distractions. Seventy percent of people surveyed say they routinely talk to passengers while driving; 47 percent adjust things like the temperature and radio; and 19 percent talk on their cell phones.