Mass attacks

Why Stopping Worldwide Terrorism Is So Challenging

A woman places flowers at a memorial for the victims of a suicide attack at a concert by Ariana Grande that killed more than 20 people Monday night in central Manchester, Britain, Wednesday, May 24, 2017. (AP/Emilio Morenatti)
A January 2017 Pew survey showed that Americans rate terrorism as the top priority for the Trump administration and Congress. They put the issue ahead of the economy, education, jobs and health care costs.