Parallels Many Stories, One World

An Iraqi child walks next an empty house of a Christian family in Mosul on Aug. 8. The Arabic writing on the wall reads "Real Estate of the Islamic State." The extremist group took control of Mosul, Iraq's second largest city, in June. STR/EPA/Landov hide caption

itoggle caption STR/EPA/Landov

This image, posted on a militant website, shows an Islamic State fighter waving a flag from a captured government fighter jet in Raqqa, Syria. The group is well-funded and has gained territory over the past few months; that's raised some concerns in America, although experts say the organization is largely focused on regional goals. AP hide caption

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A construction excavator demolishes a B-hut at the huge Bagram Air Field north of Kabul. The military used the structures as bunks and offices during the 13-year war but is tearing them down as most of the military prepares to leave by year's end. Sean Carberry/NPR hide caption

itoggle caption Sean Carberry/NPR

Friar Gabriel Tooma leads a service at the Chaldean Church of the Virgin Mary of the Harvest, in Al-Qosh on June 15. At the time, the Christian village in northern Iraq was taking in those fleeing violence in the nearby city of Mosul. Now the village itself is largely deserted. AP hide caption

itoggle caption AP

American Eric Harroun threatened Bashar Assad on Facebook and YouTube. He spent six weeks fighting with a rebel army, a journey that did not end well for him. ABC News/YouTube hide caption

itoggle caption ABC News/YouTube

Islamist fighters in the Libya Dawn coalition guard the entrance of the Tripoli International Airport on Sunday. After days of battles, they captured it from forces aligned with rogue general Khalifa Hifter. Mahmud Turkia/AFP/Getty Images hide caption

itoggle caption Mahmud Turkia/AFP/Getty Images

Palestinian boys at a damaged building in Rafah, the Gaza Strip, on Thursday. U.S. attempts to broker a comprehensive peace deal have again been shelved as Israel and Hamas have waged their third round of heavy fighting in Gaza in the past six years. Ibrahim Khatib/Barcroft Media/Landov hide caption

itoggle caption Ibrahim Khatib/Barcroft Media/Landov

Syrians inspect a site hit by what they said were airstrikes carried out by President Bashar Assad in the Eastern Ghouta area on Aug. 3. Assad's forces continue to besiege the area near Damascus, which is still controlled by rebels. Badra Mamet/Reuters/Landov hide caption

itoggle caption Badra Mamet/Reuters/Landov

Forces loyal to Syria's President Bashar Assad walk along a street in Mleiha, near the Damascus airport, during a tour organized by the Syrian government on Aug. 15. Omar Sanadiki/Reuters/Landov hide caption

itoggle caption Omar Sanadiki/Reuters/Landov

U.S. Secretary of State John Kerry shakes hands with Israeli Prime Minister Benjamin Netanyahu in Tel Aviv on July 23. While the two countries are close allies, they have exchanged criticism during the recent Israel-Hamas fighting in Gaza. Pool/AFP/Getty Images hide caption

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Displaced Palestinian Emada Al Attar, 23, holds her 16 day-old baby boy Anous in a classroom where they sleep in a U.N. school where the family is taking refuge during the war, in Gaza City, Gaza Strip on Aug. 8. Lefteris Pitarakis/AP hide caption

itoggle caption Lefteris Pitarakis/AP

U.S. soldiers carry Iraqi Kurdish children into the Zakho refugee camp in 1991. The U.S. military provided humanitarian relief to Iraqi Kurdish families fleeing Saddam Hussein's army. The rescue operation announced Thursday by President Obama is taking place in the same region. Joel Robine/AFP/Getty Images hide caption

itoggle caption Joel Robine/AFP/Getty Images

Iraqis from the Yazidi religious sect were driven from their homes in the northern town of Sinjar by the radical Islamic State. These women found safety in the Kurdish city of Dohuk, but others are trapped in barren mountains and face extremely harsh conditions. Safin Hamed/AFP/Getty Images hide caption

itoggle caption Safin Hamed/AFP/Getty Images

U.S. Maj. Gen. Harold Greene was visiting an Afghan military training academy Tuesday when he was shot dead by an Afghan soldier, who was subsequently killed. Afghan troops who knew the attacker say he disliked the Taliban and they aren't sure what his motive was. U.S. Army/Getty Images hide caption

itoggle caption U.S. Army/Getty Images

Brig. Gen. Mohammad Ali Mughdeed talks to the men he commands to protect the Mosul dam, a critical piece of infrastructure that supplies water and electricity. The dam is now close to the front line with the militants of the Islamic State in Iraq. Alice Fordham/NPR hide caption

itoggle caption Alice Fordham/NPR