Sen. Barack Obama’s foreign policy team includes former State Department veterans and newcomers from academia who seek to reinvigorate U.S. diplomacy.

Iran’s nuclear program is believed to have steadily progressed, despite sharply increased concerns over its intentions and sanctions over its lack of transparency.

New screening measures at U.S. airports are being called overly intrusive by some passengers and civil rights groups. National security experts advise using a system that relies more on intelligence,…

U.S. presidential nominating conventions often touch on national security and foreign policy, but don’t always signal the direction of a winning candidate’s policy, explains this Backgrounder.

Amid sluggish growth and high unemployment, the economy has emerged as the central issue of the 2012 presidential campaign, as the candidates debate the role of government in jumpstarting the economy…