Winter, however, will be their greatest enemy in the months ahead.

CNN: Scavenging for food, Syrian children witness war

And complaceny is the greatest enemy of excellence.

CNN: The man behind Big Blue's revival

Unwilling to accept a radical Islamist neighbor, Ethiopia is preparing to strike at the ICU, which would almost certainly lead Eritrea - the ICU's largest patron and Ethiopia's greatest enemy - to retaliate, in turn potentially drawing in Kenya and Sudan on the sides of the TFG and the ICU, respectively.

CENTERFORSECURITYPOLICY: Securing Africa

Arguably, it is Mr. Wilner's aggressive representation, along with the determined efforts of the Kuwait government, that has had the greatest influence in the outcome of all the enemy combatant cases, in the court of law and in the court of public opinion.

CENTERFORSECURITYPOLICY: Gitmo's guerilla lawyers