For the Egyptian Army, Taking Power in Cairo Was the Easy Part

As it tries to cope with both suppressing protests under the world's watchful eye and dealing with a faceless, shapeless guerrilla threat in the Sinai Peninsula, the Egyptian army is being pushed to its limits.

Last month, the Egyptian army took center stage following the coup that brought down the Muslim Brotherhood. But despite its being accustomed to controlling the largest Arab country, the Egyptian army is now facing two challenges that it's not equipped to handle. The first is suppressing widespread protests in...