This photo was taken on Thursday, June 20, 2013, shows the Taliban flag visible through a gap in a wall of the new office of the Afghan Taliban in Doha, Qatar, after the opening of the office several days ago. (AP Photo/Osama Faisal)
U.S. Ambassador to Qatar Susan Ziadeh, left, walks with U.S. Secretary of State John Kerry, second from left, and Ambassador Ibrahim Fakhroo, Qatari Chief of Protocol, on Kerry's arrival in Doha, Qatar, on Saturday, June 22, 2013. (Associated Press)
** FILE ** Qatar's Sheikh Abdul Rahman Bin Saud Al Thani, left, escorts Prince Charles, center, and his wife Camilla during their visit to the Museum of Islamic Art in Doha, Qatar, Wednesday, March 13, 2013. (AP Photo/Osama Faisal)
Belarus' Victoria Azarenka displays the trophy, after her victory against Serena Williams of the US, in the final match of the Qatar WTA Ladies Open tennis tournament, in Doha, Qatar, Sunday, Feb. 17, 2013. (AP Photo/Osama Faisal)
Serena Williams of the U.S. celebrates after winning against Czech Republic's Petra Kvitova in their WTA Qatar Ladies Open tennis quarterfinal match in Doha, Qatar, Friday, Feb. 15, 2013. (AP Photo/Osama Faisal)
Drew Lauer of Alexandria, Va. plays with his 2 1/2-year-old daughter Lauren at BWI Thurgood Marshall Airport Friday, Dec. 28, 2012 after arriving home from a six-month deployment in Qatar. (Barbara L. Salisbury/The Washington Times)
**FILE** Qatari women activists holding a banner reading "commit to climate justice 4 all" as they march with local and international activists march to demand urgent action to address climate change at the U.N. climate talks in Doha, Qatar, on Dec. 1, 2012. (Associated Press)
Local and international activists march to demand urgent action to address climate change at the U.N. climate talks in Doha, Qatar, Saturday , Dec. 1, 2012. (AP Photo/Osama Faisal)
Organizers sit onstage during the opening ceremony of the 18th United Nations climate change conference in Doha, Qatar, on Monday, Nov. 26, 2012. (AP Photo/Osama Faisal)
Qatar's Deputy Prime Minister Abdullah bin Hamad Al-Attiyah speaks at the opening session of the United Nations Climate Change conference in Doha, Qatar, Monday, Nov. 26, 2012. (AP Photo/Osama Faisal)