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,…

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

The looming expiration of U.S. fast-track trade promotion authority could trip up momentum toward trade liberalization, but experts say it won’t necessarily be a step backwards.

The creation of a new U.S. military command for Africa signals the continent’s growing strategic importance and its many development challenges.