Remembering 9/11: 25 years on

For those who remember the world before Sep 11, 2001, much of life today can seem almost unrecognisable. The attacks on the United States 25 years ago transformed how we travel, ushered in an age of mass surveillance, and set in motion wars still shaping the Middle East. It's also changed how entire communities in the US are seen and treated. Mitch McCann with this report for CNA from New York.