SOCHI, Russia (Reuters) - Russia and the United States remain at odds over U.S. plans for an anti-missile shield in Europe following talks in Moscow this week with President Barack Obama's national security adviser, a senior aide to President Vladimir Putin said on Friday.
White House national security adviser Tom Donilon met Putin and senior Russian officials in the highest-level face-to-face talks since Obama began a new term in January at a time of tense relations with Moscow.
