Nine people have been arrested in connection with the terror attack on a museum in Tunisia that killed 23 people (mostly foreign tourists). The Islamic State has taken credit for the attack, but officials have yet to confirm any connection.

+ Yuval Noah Harari on the theater of terror. “Terrorists hope that even though they can barely dent the enemy’s material, power, fear and confusion will cause the enemy to misuse its strength. Terrorists fight like tai-chi masters: they aim to beat the rival with the rival’s own power.