Russia's highest court struck down the 2003 arrest of the business partner of oil tycoon Mikhail Khodorkovsky, but lawyers said the ruling is a largely symbolic victory that isn't likely to lead to the release of Platon Lebedev.
Sen. Kerry has suggested becoming the first high-level U.S. emissary to make a public visit to Tehran since the 1979 Islamic revolution, a move White House officials say they won't oppose.
