Twenty-five years after 9/11, a House report says drones, AI, and shifting priorities are changing the terrorist threat. WORLD’s Mary Muncy talks with counterterrorism expert Colin Clarke.
Grace Snell | One woman’s mission to honor her brother 25 years after the 9/11 attacks
Remembering and reckoning with a national tragedy
Emma Freire | Five post-9/11 shifts still reverberating today
Three different Sept. 11 events shook the world and underscore why it’s vital to remember the past