The 9/11 terrorist attacks changed the nation's approach to national security. NPR's May Louise Kelly speaks with four U.S. officials about the intelligence community's response and where we are now.
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Mary Louise Kelly is a host of All Things Considered, NPR's flagship afternoon newsmagazine. She is also the host of NPR's national security podcast, Sources & Methods.
Courtney Dorning is a Senior Editor for NPR's All Things Considered.
Alejandra Marquez Janse is an assistant producer for NPR's evening news program All Things Considered.
