Pakistan members of Jamiat Nazriati party shout slogans in a rally to pay tribute to Afghanistan's deceased Taliban chief Mullah Omar, in Quetta on August 2, 2015. New Taliban leader Mullah Akhtar Mansour called for unity in the movement August 1, in his first audio message since becoming head of the group that faces deepening splits following the death of longtime chief Mullah Omar. AFP PHOTO / Banaras KHAN (Photo credit should read BANARAS KHAN/AFP/Getty Images)
SANLIURFA, TURKEY - JUNE 15: A U.S.-led coalition bomber aircraft and a drone flies over the northern Syrian town of Tel Abyad as it is pictured from the Turkish border town of Akcakale, in Sanliurfa province, Turkey, June 15, 2015. Members of the Syrian Kurdish YPG militia took positions on the outskirts of the Islamic State stronghold of Tel Abyad. Thousands of Syrians cut through a border fence and crossed over into Turkey on Sunday, fleeing intense fighting in northern Syria between Kurdish fighters and jihadis.According to Turkish security officials 10,000 people to come across from Syria in last two days. (Photo by Gokhan Sahin/Getty Images)
The entrancer to Camp Justice at the Guantanamo Bay Naval Base is seen on October 24, 2013, in Guantanamo Bay, Cuba. The tents at Camp Justice house media, lawyers, human rights observers, and military personnel and they are near the Guantanamo military commissions, the military tribunals created by the Military Commissions Act of 2006 for prosecuting detainees. AFP PHOTO/CHANTAL VALERY (Photo credit should read CHANTAL VALERY/AFP/Getty Images)
South Korean conservative activists hold placards showing portraits of North Korean leader Kim Jong-Un during a rally denouncing North Korea's rocket firing, in Seoul on August 21, 2015. North Korean leader Kim Jong-Un ordered his frontline troops onto a war-footing from August 21, as military tensions with South Korea soared following a rare exchange of artillery shells across their heavily fortified border. AFP PHOTO / JUNG YEON-JE (Photo credit should read JUNG YEON-JE/AFP/Getty Images)
WASHINGTON, DC - JULY 14: U.S. Senate Minority Leader Sen. Harry Reid (D-NV) (2nd L) speaks as (L-R) Senate Minority Whip Sen. Richard Durbin (D-IL) and Sen. Charles Schumer (D-NY) listen during a news briefing after the weekly Senate Democratic Policy Luncheon July 14, 2015 on Capitol Hill in Washington, DC. Senate Democrats had a meeting with Democratic U.S. presidential hopeful and former U.S. Secretary of State Hillary Clinton and discussed various topics including the Iran talks deal. (Photo by Alex Wong/Getty Images)
Iraqi Kurdish Peshmerga fighters prepare a mortar shell as they guard a position at the frontline of fighting against Islamic State (IS) group's militants near the northern Iraqi town of Sinjar, west of the city of Mosul on August 17, 2015. AFP PHOTO / SAFIN HAMED (Photo credit should read SAFIN HAMED/AFP/Getty Images)