In an exclusive interview with Brian Williams, Tucson shooting victim Suzi Hileman — who took Christina Taylor Green to Rep. Gabrielle Giffords' event — recalls the tragedy. Full story
In her own words, Mary Liscombe, the director of the Christa McAuliffe Center, marks the legacy of the former Challenger astronaut and teacher.
On the 20th anniversary of the Gulf War, President George Bush brought together key members of his foreign policy team for a roundtable discussion with NBC's Brian Williams. Watch the extended interview here.