U.S. Secretary of Defense Hagel and Chairman of the Joint Chiefs of Staff General Dempsey leave after a media briefing at the Pentagon in Washington
U.S. Secretary of Defense Chuck Hagel (L) and Chairman of the Joint Chiefs of Staff General Martin Dempsey leave after a media briefing at the Pentagon in Washington, August 21, 2014. The sophistication, wealth and military might of Islamic State militants represent a major threat to the United States that may surpass that once posed by al Qaeda, U.S. military leaders said on Thursday. REUTERS/Yuri Gripas (UNITED STATES - Tags: POLITICS MILITARY CONFLICT CIVIL UNREST)
Guatemalan Defence Minister General Manuel Lopez speaks with the media before the funeral of the Chief of the Defence Staff General Rudy Ortiz, at Mariscal Zavala military base in Guatemala City
Guatemalan Defence Minister General Manuel Lopez speaks with the media before the funeral of the Chief of the Defence Staff General Rudy Ortiz, at Mariscal Zavala military base in Guatemala City August 21, 2014. Ortiz and four other officers were killed on Wednesday when the helicopter they were in crashed in the village of El Nenton in the Huehuetenango region, near the country's northern border with Mexico, Guatemala's government said. REUTERS/Jorge Dan Lopez (GUATEMALA - Tags: POLITICS DISASTER MILITARY)
Zaki Baruti speaks with the media in Clayton
REFILE - CORRECTING NAME OF CITY IN HEADLINE Zaki Baruti of the Universal African Peoples Organization speaks to the media outside the St. Louis County Justice Center in Clayton, Missouri, August 21, 2014. A 70,000-signature petition was delivered calling for the removal of St. Louis County Prosecuting Attorney Bob McCulloch from the case of the shooting death of unarmed teenager Michael Brown by police on August 9, 2014 which has sparked racial tensions and sometimes violent protests nightly. REUTERS/Mark Kauzlarich (UNITED STATES - Tags: CIVIL UNREST CRIME LAW POLITICS)
Baruti of the Universal African Peoples Organization, Shahid of the Tauheed Youth Group, and Missouri State Senator Nasheed speak with the media outside the St. Louis County Justice Center in Clayton
Zaki Baruti of the Universal African Peoples Organization (L), Anthony Shahid of the Tauheed Youth Group, and Missouri State Senator Jamilah Nasheed speak with the media outside the St. Louis County Justice Center in Clayton, Missouri, August 21, 2014. A 70,000-signature petition was delivered calling for the removal of St. Louis County Prosecuting Attorney Bob McCulloch from the case of the shooting death of unarmed teenager Michael Brown by police on August 9, 2014 which has sparked racial tensions and sometimes violent protests nightly. REUTERS/Mark Kauzlarich (UNITED STATES - Tags: CIVIL UNREST CRIME LAW POLITICS)
Zaki Baruti speaks with the media in Ferguson
Zaki Baruti of the Universal African Peoples Organization speaks to the media outside the St. Louis County Justice Center in Clayton, Missouri, August 21, 2014. A 70,000-signature petition was delivered calling for the removal of St. Louis County Prosecuting Attorney Bob McCulloch from the case of the shooting death of unarmed teenager Michael Brown by police on August 9, 2014 which has sparked racial tensions and sometimes violent protests nightly. REUTERS/Mark Kauzlarich (UNITED STATES - Tags: CIVIL UNREST CRIME LAW POLITICS)
French artist Clement Briend poses with his photographic light installation "Divine Trees" during a media preview of the Singapore Night Festival in Singapore
French artist Clement Briend poses with his photographic light installation "Divine Trees", which features images of divine figures highly revered in Asian cultures projected on trees towering over bystanders, during a media preview of the Singapore Night Festival in Singapore August 21, 2014. The Singapore Night Festival begins on Friday. REUTERS/Edgar Su (SINGAPORE - Tags: ENVIRONMENT SOCIETY RELIGION)
French artist Briend poses with his photographic light installation "Divine Trees" during a media preview of the Singapore Night Festival in Singapore
French artist Clement Briend poses with his photographic light installation "Divine Trees", which features images of divine figures highly revered in Asian cultures projected on trees towering over bystanders, during a media preview of the Singapore Night Festival in Singapore August 21, 2014. The Singapore Night Festival begins on Friday. REUTERS/Edgar Su (SINGAPORE - Tags: ENVIRONMENT SOCIETY RELIGION)
People look at French artist Briend's photographic light installation "Divine Trees" during a media preview of the Singapore Night Festival in Singapore
People look at French artist Clement Briend's photographic light installation "Divine Trees", which features images of divine figures highly revered in Asian cultures projected on trees towering over bystanders, during a media preview of the Singapore Night Festival in Singapore August 21, 2014. The Singapore Night Festival begins on Friday. REUTERS/Edgar Su (SINGAPORE - Tags: ENVIRONMENT SOCIETY RELIGION)
People look at French artist Clement Briend's photographic light installation "Divine Trees" during a media preview of the Singapore Night Festival in Singapore
People look at French artist Clement Briend's photographic light installation "Divine Trees", which features images of divine figures highly revered in Asian cultures projected on trees towering over bystanders, during a media preview of the Singapore Night Festival in Singapore August 21, 2014. The Singapore Night Festival begins on Friday. REUTERS/Edgar Su (SINGAPORE - Tags: ENVIRONMENT SOCIETY RELIGION TPX IMAGES OF THE DAY)
Capt. Ron Johnson of the Missouri State Highway Patrol speaks with members of the media after speaking with Attorney General Eric Holder at Drake's Place Restaurant in Florrissant
Capt. Ron Johnson of the Missouri State Highway Patrol speaks with members of the media after speaking with Attorney General Eric Holder at Drake's Place Restaurant in Florrissant, Missouri August 20, 2014. Holder visited Ferguson, Missouri, on Wednesday, hours after nearly 50 protesters were arrested in the 11th straight night of demonstrations over the August 9 fatal shooting of Michael Brown, an unarmed black teenager, by a white police officer. The St. Louis County prosecutor's office will also begin presenting evidence on Wednesday to a regularly seated grand jury investigating the shooting death of Brown. REUTERS/Pablo Martinez Monsivais/Pool (UNITED STATES - Tags: POLITICS CRIME LAW CIVIL UNREST)