U.S. President Barack Obama will pledge $3 billion to a United Nations climate-change fund that's intended to help poor nations boost renewable energy and counter the ill effects of global warming. The pledge would make the United States the largest donor to the newly established fund, which is a linchpin of efforts to secure an accord within the U.N. to combat global warming.
MANILA, Philippines – U.S. President Barack Obama's frustration is spilling over as he makes the most strident defense of his foreign policy yet, rebuking critics who say his diplomacy is haphazard, weak and blurs U.S. national security red lines.
