Current Trends in Islamist Ideology

Fighters from Al-Qaeda's Syrian affiliate Al-Nusra Front drive in the northern Syrian city of Aleppo flying Islamist flags as they head to a frontline, on May 26, 2015. (Fadi al-Halabi/AFP/Getty Images)

View of the city of Monastir and of the mosque, Monastir Governorate, Tunisia. (DeAgostini/Getty Images)

Saudi Defence Minister Mohammed bin Salman (2nd L), who is the desert kingdom's deputy crown prince, at the 4th Summit of Arab States and South American countries in Riyadh, on November 11, 2015. (FAYEZ NURELDINE/AFP/Getty Images)

An Egyptian protester chants during a protest following midday prayers in Tahrir Square on September 14, 2012 in Cairo, Egypt. (Ed Giles/Getty Images)

Place Jemaa El Fna (Djemaa El Fna), August 12, 2012. (Godong/UIG via Getty Images)

AK Party Supporters in front of the poster of then-Turkish PM Recep Tayyip Erdogan (R) and then-Turkish Foreign Minister Ahmet Davutoglu (L) in Ankara, Turkey on August 27, 2014. (Murat Kaynak/Anadolu Agency/Getty Images)

Turkey's President Recep Tayyip Erdogan holds a Koran at the opening ceremony of the Selehaddin Eyyubi airport on May 26, 2015, in eastern city of Hakkari. (STR/AFP/Getty Images)

Members of the Egyptian Muslim brotherhood gather in front the party's headquarters in Cairo on March 22, 2013. (KHALED DESOUKI/AFP/Getty Images)

ISIS fighters in Libya (Dabiq Magazine)