How National Security Has Evolved in 25 Years

“Twenty-five years after the Sept. 11 attacks, some lessons remain deeply ingrained in the national security apparatus — while others have faded,” Axios reports.

“A vast majority of Americans say the attacks forever changed the country. But some key post-9/11 security norms — like airport screening, intelligence gathering and international cooperation — have evolved with new technology and shifting political whims.”

New York Times: 25 years after 9/11, Trump personifies a nation moving on.