Caption
Dr. Alex Karp. (Wall Street Journal photo)
Terrorism
Terrorism
Caption
A Kurdish refugee mother and son from the Syrian town of Kobani walk beside their tent in a camp on the Turkish-Syrian border on October 19, 2014 in Sanliurfa, Turkey. (Gokhan Sahin/Getty Images)
Caption
Masked Palestinian members of the Islamic Jihad military wing Saraya Al-Quds march in remembrance of its founder Fathi Shiqaqi on October 24, 2008 in Khan Younis, the Gaza Strip. (Abid Katib/Getty Images)
Caption
Apple CEO Tim Cook delivers the keynote address at the Apple 2012 World Wide Developers Conference (WWDC) at Moscone West on June 11, 2012 in San Francisco, California. (Justin Sullivan/Getty Images)
Caption
The official seal of the Federal Bureau of Investigation is seen on an iPhone's camera screen outside the J. Edgar Hoover headquarters, February 23, 2016 in Washington, DC. (Chip Somodevilla/Getty Images)
Experts
David Asher
Senior Fellow
Ezra Cohen
Adjunct Fellow
Michael Doran
Senior Fellow and Director, Center for Peace and Security in the Middle East
