Securing the border is a key element of the Senate's immigration overhaul proposal. Ted Robbins talks to Audie Cornish about the billions already spent on existing security measures and whether they are effective.
Is obesity a disease or a matter of beauty?
The American Medical Association has passed a resolution calling obesity a disease. But some people think that will only make the problem worse, if it's a problem at all.
12:45 p.m. more