Know Thy Enemy....

In the same way that Communism was the enemy of the United States in the last half of the 20th century, it seems that radical Islam will be our enemy in the first half of the 21st century. Following the precept of "know thy enemy," most of us could stand to know more about the roots of radical Islam. The Wall Street Journal's online Opinion Journal has an article that lays out a lot of the relevant information.