U.S.

Puerto Rico's population is dropping. Faced with a deteriorating economy, increased poverty and a swelling crime rate, many citizens are fleeing the island for the U.S. mainland.

In Charlottesville, Va., residents are buzzing about a gun incident — but it wasn't a shooting. Sunday evening, a man walked into a supermarket with a loaded rifle.

As President Obama unveiled his gun control proposals Wednesday, he highlighted mass shootings at schools in Colorado, Virginia and Connecticut.