MOSCOW, March 2 (RIA Novosti) - Washington has told Moscow that Russian help in resolving Iran's nuclear program would make its missile shield plans for Europe unnecessary, a Russian daily said on Monday, citing White House sources. U.S. President Barack Obama made the proposal on Iran in a letter to his Russian counterpart, Dmitry Medvedev, Kommersant said, referring to unidentified U.S. officials. Iran's controversial nuclear program was cited by the U.S. as one of the reasons behind its plans to deploy a missile base in Poland and radar in the Czech Republic. The missile shield has been strongly opposed by...