MOSCOW - It is "an obsolete foreign policy concept" in the modern world that the United States emphasizes on "adversaries," including Russia and China, instead of resolving issues, a Russian expert has said. "A smart foreign policy has to focus on international problems rather than on foreign adversaries," Andrey Kortunov, director general of the Russian International Affairs Council, wrote recently in an article published on the council's website. "No reliable security architecture in E...