Czech Republic President Vaclav Klaus (L-R), United Nations Secretary General Ban Ki-moon, U.S. President Barack Obama, NATO Secretary General Anders Fogh Rasmussen and Afghan President Hamid Karzai join other leaders representing nations participating in the International Security Assistance Force meeting on Afghanistan pose for a group photo at the 2012 NATO Summit on May 21, 2012 in Chicago. UPI/Brian Kersey