We don't really know what her motivations were. Right now we only know what the results are. Drivers need to take very seriously a crossing arm.

They force pedestrians to pay attention.

We don't know why the individuals were on the tracks.

We don't know why the driver made the decision to cross. It appears that everything was working properly. Again, that's all under investigation.

She drove around the crossing gates, apparently. The gates were down and everything was functioning as it was supposed to.

Right now, if you go through your house and you see the various consumer electronics products you have, they're responsible for about 15 percent of your electricity use. That compares to 5 percent in 1980.