The soft power roadmap for what is needed is relatively clear. Seizing the moment requires the United States and international partners to give much higher priority to activities such as public diplomacy, sustainable development assistance, and exchange programmes.

Over the long term, it will be crucial to turn off the IS recruiting faucet. Doing so will require counterterrorism officials to better understand that that the “snuff videos” for which IS has become so well-known are not the principal enlistment tools. Rather than “come kill,” the strongest message is “come build the caliphate.”

Terrorist groups may now have a harder time using Twitter as a platform for radical activities. For years, terrorists groups such as the Islamic State (ISIS) and Al Qaeda have used social media sites including Twitter and Facebook, to spread extremist messages, recruit followers, and call on sympathizers in the West to commit acts of violence at home.

Gunmen from an al-Qaida inspired militia have taken over radio and television stations in the central Libyan city of Sirte, a security official said. He said the seizure of the buildings happened on Thursday after militants from Ansar al-Sharia had warned the station to stop broadcasting music. The group, considered a terrorist organization by the United States, is accused of being involved in a deadly 2012 attack on a U.S. mission and annex in Benghazi. Its branch in the city of Derna has pledged allegiance to the Islamic State group.

Why does Pope Francis capture the imagination of vast audiences across the globe as he travels to different parts of the world? Why do the statements he makes leave a deep and lasting impression in the minds and hearts of millions if not billions of people?