A short summary of each of the G-20 member’s objectives for the April summit in London.

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 …

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

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.

Iran’s alleged meddling in Iraq and Afghanistan and its defiance of orders to halt uranium enrichment have drawn sharp criticism from the west. Amid the rhetoric some analysts and policy makers conti…