Deputy Chairman of the Russian Security Council and leader of the United Russia political party Dmitry Medvedev, accompanied by head of the external communications department at the TASS Yekaterina Titova, TASS first deputy director general Mikhail Kalmykov and TASS director general Andrei Kondrashov, tours a memorial office of photographer Vladimir Musaelyan during a visit to the headquarters of the TASS Russian News Agency in Moscow, Russia.