U.N. Secretary-General Ban Ki-moon addresses a news conference at the United Nations European headquarters in Geneva in this May 11, 2011 file photo. The 192-nation U.N. General Assembly on June 21, 2011, unanimously approved a second five-year term for Ban beginning Jan. 1, 2012. The former South Korean foreign minister, who took over from his predecessor Kofi Annan in January 2007, was re-elected to the world body’s top job by acclamation. REUTERS/Denis Balibouse/Files (SWITZERLAND – Tags: POLITICS HEADSHOT)