In 2007, before the recession began, five counties in suburban Washington made it into the top 10. By 2010, there were six. The seven in the latest ranking is an all-time high.
Daniel Greenfield, a Shillman Journalism Fellow at the Freedom Center, is a New York writer focusing on radical Islam. He is completing a book on the international challenges America faces in the 21st century.
Tait Trussell is a national award-winning writer, former vice-president of the American Enterprise Institute and former Washington correspondent for The Wall Street Journal.