Just how dirty is the air you breathe? The American Lung Association's annual report of the most polluted cities in the U.S. rates communities on levels of ozone, sulfur dioxide, air-borne particulates and tainted tap water. Here are the 20 cities most polluted by year-round particle pollution:
After five months of detention in North Korea, Jeffrey Fowle arrived back in Ohio early Wednesday for an emotional reunion with his family. Here's a look at other Americans who have been detained abroad and their fates.