Ahmadinejad refuses to cooperate; scoffs at Obama, Western world
Influential lawmakers on chances nuclear arms treaty will be ratified by Senate
President looks for compliance with arms reduction and security from leaders of 47 nations
Alli Pataki delivers headlines from the 'Strategy Room'
President Obama speaks on steps made at nuclear summit
President Obama wraps up nuclear summit with comments at news conference
Conference of world leaders adjourns without addressing the serious nuclear threat of Iran
Media complains about overly restrictive limitations on coverage
Russia opening Iran nuke plant despite U.S. opposition
Presidents of United States and Russia discuss relations between the two countries; discuss range of political issues
President Obama holds joint press conference with India's prime minister
President urges world leaders to reduce stockpile of nuclear weapons
President says new provocations will lead to further isolation
Tuesday marks 100 years since Japan gave the U.S. the renowned cherry blossom trees
Reaction to legislation two years later
What does the new START Treaty mean for U.S. foreign relations?
Assistant secretary of state on State Department's reaction to bomb scare caused by foreign emissary
Will Netanyahu's refusal to attend cause a rift in U.S.-Israeli relations?