If you are a psychologist, law enforcer or any other person interested in these acts of terror, please let me know what you think we can do to prevent these attacks or make us understand why... I am in

By: CNN Updated 1529 GMT (2329 HKT) August 17, 2017 (CNN)A van has plowed into a crowd of people in Barcelona, causing several injuries, local police say. The incident took place near the popular tourist