The five-time Grammy winner looks back on his career, ahead of receiving the country's highest civilian honor.
Today members of the House of Representatives begin debating several measures that would limit President Obama’s options in Libya.
One option would mirror a proposal from Senators John Kerry and John McCain, who are calling for a one-year authorization of U.S. participation in the NATO-led airstrike campaign in Libya.
Another measure would end most U.S. involvement, except for non-combat roles.
Experts share a range of perspectives on how to combat the Islamic State militant group, and the role the U.S. should play.