National Security

'The Atlantic' Investigates Whether America Is Any Safer Since 9/11

Journalist-entrepreneur Steven Brill carried out a year-long investigation for The Atlantic looking at security in the U.S. in the 15 years since the Sept. 11, 2001, attacks. NPR's Ari Shapiro talks with Brill about his investigation into the question of whether the U.S. is any safer.