President-elect Barack Obama assembles his national security team at a time when responsibility for foreign policymaking has shifted increasingly to the White House, says Carnegie Endowment scholar D…

George Perkovich, a leading expert on nuclear proliferation, says the Bush administration may have to drop its regime change strategy for Iran in order to get Russian support for UN sanctions on Tehr…

Bernard E. Trainor, a retired three-star Marine general and a senior fellow at the Council on Foreign Relations, says a war against Iraq could start in the period from late February to the middle of…

Michael R. Gordon, the chief military correspondent for the New York Times and co-author of a new book on the U.S. invasion of Iraq, says it is possible that the United States might achieve the "vict…

Philip K. Verleger Jr., an energy policy expert, says meetings of natural gas exporting countries in Qatar are not likely to be very significant in short term, but in time “could be very significant.”