He is well-known and widely quoted as an expert on military law. Eugene Fidell was the successful defense counsel for U.S. Army Captain James J. Yee, the Muslim chaplain at Guantanamo Bay who in 2003 was accused of aiding the enemy and other offenses. Now 65, Fidell practices with a Washington law firm and teaches at Yale Law School. He started out as a JAG officer in the Coast Guard. Here's how he got there — and what impact it had on his civilian career.