The five-time Grammy winner looks back on his career, ahead of receiving the country's highest civilian honor.
Congress opened hearings Thursday on the September 11 attack on the U.S. diplomatic mission in Benghazi that killed four Americans, including the U.S. ambassador to Libya.
But the star witness won’t face questions until Friday – and it won’t be public.
Former CIA Director and retired four-star general David Petraeus will answer questions from the House and Senate Intelligence Committees early Friday morning.
Petraeus resigned as head of the intelligence agency last Friday, in the wake of an extramarital affair.
Experts share a range of perspectives on how to combat the Islamic State militant group, and the role the U.S. should play.