In this month packed with holidays and special observances - Groundhog Day, Valentine's Day, Presidents Day, National Grapefruit Month, Thank A Mailman Day, Ronald Reagan's birthday - there is one you may have missed, a deadline that affects virtually everyone living in California. It arrived this week with little fanfare, which is puzzling, considering the scope of the deal. Beginning today, anyone with a used battery, fluorescent light tube, old cell phone - the list goes on and on - can no longer toss the thing into the trash, bound for the landfill. One stroll through a kid's bedroom or...