Musicians ' message : Free Russian political prisoners . Mikhail Khodorkovsky will be eligible for release in 2014 . The Russian government has said it is considering granting him amnesty, but the Kremlin says he should not leave Russia until his sentence expires. Khodorkovsky , an oil magnate who backed an opposition party , was jailed in 2003 .
Mikhail Khodorkovsky will be eligible for release in 2014 . The Russian government has said it is considering granting him amnesty, but the Kremlin says he should not leave Russia until his sentence expires. Khodorkovsky , an oil magnate who backed an opposition party , was jailed in 2003 .