Russia's Dmitry Medvedev and Poland's Bronislaw Komorowski met on the one-year anniversary of a plane crash that killed Poland's former president en route to Russia. A probe of the crash has sparked controversy.
Vice President Biden's two-day visit to Russia was aimed at bolstering economic ties. He also called on the Kremlin to take a harder line against corruption.
Belarus President Alexander Lukashenko's crackdown on the opposition has prompted the EU to consider sanctions. But some members say that could backfire.
Russian President Dmitry Medvedev visited the Kuril Islands Monday, ruffling Japan, which also claims what it calls the Northern Territories. Japan has recently sparred with China over disputed islands.
Secretary of State Hillary Clinton's trip to Russia marks improving diplomatic ties, and some Russian analysts say President Obama's Nobel Peace Prize is creating momentum for more nuclear cooperation.
It is responsible for economically troubled South Ossetia and may have spurred the European Union to seek alternative sources of energy.
The two nuclear powers continue to bicker over NATO war games, nuclear weapons, and fighter jets in Kyrgyzstan.
No longer president, he still commands center stage and a high level of trust
President Dmitry Medvedev said Saturday that Russia is 'a nation to be reckoned with.'
The Security Council meets today to discuss Tbilisi's allegation that Russia shot down its spy aircraft. Moscow says the drone's flight over the breakaway region of Abkhazia violates a cease-fire.