Orange County Register: As 2015 winds to a close, many Californians will remember it as the year wildfires consumed hundreds of thousands of acres and left countless people homeless. But the danger from a wildfire doesnt end when the last flame goes out. It threatens the health of those whove witnessed the embers burning, as well as the well-being of people who might live hundreds of miles away. The potential for smoke to harm air quality and cause health problems was especially acute this year because a record number...