http://www.nytimes.com/2013/09/12/opinion/putin-plea-for-caution-from-russia-on-syria.html

No one wants the United Nations to suffer the fate of the League of Nations, which collapsed because it lacked real leverage. This is possible if influential countries bypass the United Nations and take military action without Security Council authorization.
Millions around the world increasingly see America not as a model of democracy but as relying solely on brute force, cobbling coalitions together under the slogan “you’re either with us or against us.”
But force has proved ineffective and pointless. Afghanistan is reeling, and no one can say what will happen after international forces withdraw. Libya is divided into tribes and clans. In Iraq the civil war continues, with dozens killed each day. In the United States, many draw an analogy between Iraq and Syria, and ask why their government would want to repeat recent mistakes.
The world reacts by asking: if you cannot count on international law, then you must find other ways to ensure your security. Thus a growing number of countries seek to acquire weapons of mass destruction. This is logical: if you have the bomb, no one will touch you. We are left with talk of the need to strengthen nonproliferation, when in reality this is being eroded.