Defense Secretary Ash Carter testifies on Capitol Hill in Washington, earlier this month. In an interview on CNN today, Carter complained that Iraqi forces lacked "the will to fight" the self-declared Islamic State. Manuel Balce Ceneta/AP hide caption

itoggle caption Manuel Balce Ceneta/AP

Princeton University professor John Nash speaks during a news conference at the university in Oct. 1994 after being named the winner of the Nobel Prize for economics. Charles Rex Arbogast/AP hide caption

itoggle caption Charles Rex Arbogast/AP

Panama's former President Ricardo Martinelli answers questions during an interview at a hotel in Guatemala City in January. Moises Castillo/AP hide caption

itoggle caption Moises Castillo/AP

Greek Prime Minister Alexis Tsipras (center) gestures next to Deputy Prime Minister Yannis Dragasakis (left) and Interior and Administrative Reconstruction Minister Nikos Voutsis. Voutsis says Greece may miss its next debt payment. Alkis Konstantinidis/Reuters/Landov hide caption

itoggle caption Alkis Konstantinidis/Reuters/Landov

Mourners attend the May 14 funeral of Hezbollah fighter Ahmad al-Amin in Babliyeh, Lebanon. Hezbollah is fighting alongside the Syrian army and Amin was killed while fighting in Syria's Qalamoun mountains against Nusra Front, al-Qaida's branch in Syria. The Syrian army has suffered multiple setbacks recently, but Hezbollah did help dislodge rebel fighters along the Syria-Lebanon border. Mohammad Zaatari/AP hide caption

itoggle caption Mohammad Zaatari/AP

Gloria Steinem and South Korean peace activists march along a military fence at a checkpoint after crossing the border separating North and South Korea. Jung Yeon-Je/AFP/Getty Images hide caption

itoggle caption Jung Yeon-Je/AFP/Getty Images

Bakers pose for a photo at the Greyston Bakery in Yonkers, N.Y. For more than 30 years, the industrial facility has been hiring local residents, including people other businesses might consider unhirable. Courtesy of Greyston hide caption

itoggle caption Courtesy of Greyston

A protestor films riot police Saturday as they advance on a small march against the acquittal of Michael Brelo, a Cleveland patrolman charged in the shooting deaths of two unarmed suspects. John Minchillo/AP hide caption

itoggle caption John Minchillo/AP

The Bank of England in London in a photograph taken in March. The central bank inadvertently revealed that it was planning for a possible withdrawal of the U.K. from the European Union. Suzanne Plunkett/Reuters/Landov hide caption

itoggle caption Suzanne Plunkett/Reuters/Landov

Michael Brelo weeps as he hears the verdict in his trial Saturday, in Cleveland. Brelo, a patrolman charged in the shooting deaths of two unarmed suspects during a 137-shot barrage of gunfire was acquitted. Tony Dejak/AP hide caption

itoggle caption Tony Dejak/AP

Authorities investigate a shooting in the parking lot of the Twin Peaks restaurant Sunday in Waco, Texas. Bikers say that most of the 170 people arrested had nothing to do with the violence. Jerry Larson/AP hide caption

itoggle caption Jerry Larson/AP

Former Defense Secretary Robert Gates at the Boy Scouts of America's annual meeting in 2014. "There's no certainty about any of this," he says of the situation in Iraq. Mark Zaleski/AP hide caption

itoggle caption Mark Zaleski/AP

Vehicles burn, that authorities say caught fire during a gunbattle, in a warehouse at Rancho del Sol, near Ecuanduero, in western Mexico, on Friday. At least 43 people died Friday in what authorities described as a fierce, three-hour gunbattle between federal forces and suspected drug gang gunmen. Oscar Pantoja Segundo/AP hide caption

itoggle caption Oscar Pantoja Segundo/AP

Francisco Ramirez, a sexual-health educator, offers free advice to a passerby. Christopher Gregory for NPR hide caption

itoggle caption Christopher Gregory for NPR

Drag queen and gay rights activist Rory O'Neill, also known by the stage name, Panti, celebrates with supporters of same-sex marriage at Dublin Castle as they await the result of the referendum on Saturday. Paul Faith/AFP/Getty Images hide caption

itoggle caption Paul Faith/AFP/Getty Images

The State Department is releasing 296 emails from Hillary Clinton's email account during her tenure as secretary of state. The correspondence relates to the attack on the U.S. consulate in Benghazi, Libya. M. Spencer Green/AP hide caption

itoggle caption M. Spencer Green/AP