
Former U.N. Secretary-General Kofi Annan, the joint special envoy of the United Nations and the Arab League for Syria, speaks during a news conference following the Action Group on Syria meeting on Saturday, June 30, 2012, in Geneva. (AP Photo/Martial Trezzini, Keystone)

Former U.N. Secretary-General Kofi Annan, the joint U.N.-Arab League special envoy for Syria, briefs the press at the United Nations in Geneva on Friday, June 22, 2012. (AP Photo/Keystone, Martial Trezzini)

Former U.N. Secretary-General Kofi Annan, the joint U.N.-Arab League special envoy for Syria, briefs the press at the United Nations in Geneva on Friday, June 22, 2012. (AP Photo/Keystone, Martial Trezzini)

Kofi Annan (right), Joint Special Envoy of the United Nations and the Arab League for Syria, and Major-General Robert Mood, head of the U.N. Supervision Mission in Syria and Chief Military Observer, look on during a news briefing June 22, 2012, at the United Nations in Geneva. (Associated Press)

Kofi Annan (right), Joint Special Envoy of the United Nations and the Arab League for Syria, and Major-General Robert Mood, head of the U.N. Supervision Mission in Syria and Chief Military Observer, look on during a news briefing June 22, 2012, at the United Nations in Geneva. (Associated Press)

United Nations-Arab League special envoy to Syria Kofi Anan addresses the United Nations General Assembly on the situation in the Syrian Arab Republic, Thursday, June 7, 2012, at United Nations headquarters. (AP Photo/Mary Altaffer)

United Nations-Arab League special envoy to Syria Kofi Anan addresses the United Nations General Assembly on the situation in the Syrian Arab Republic, Thursday, June 7, 2012, at United Nations headquarters. (AP Photo/Mary Altaffer)

Kofi Annan, the U.N.-Arab League Joint Special Envoy for Syria, speaks June 1, 2012, during a press conference after his meeting with Lebanese Prime Minister Najib Mikati at the governmental palace in Beirut. (Associated Press)

Kofi Annan, the U.N.-Arab League Joint Special Envoy for Syria, speaks June 1, 2012, during a press conference after his meeting with Lebanese Prime Minister Najib Mikati at the governmental palace in Beirut. (Associated Press)