Secretary of State Hillary Clinton, a senator and former First Lady, has offered a tough pragmatism on national security matters and called for reviving U.S. credibility in the world.

Sen. John McCain’s Republican presidential campaign has a group of foreign policy advisers reflecting both realist and neoconservative views of the world.

The Review Conference of the Nuclear Nonproliferation Treaty gets underway amid new concerns about Iran and North Korea and disputes between nuclear haves and have-nots. Fifteen countries will play a…

The UN conference on climate change that begins December 7 in Copenhagen is supposed to produce new targets for emissions reductions, but experts say major countries are at odds on the ultimate goal …

Sen. Hillary Clinton’s foreign policy team included veteran Clinton administration officials seeking to revive U.S. leadership through a balance of soft and hard power.