The US exceptionalist approach will once become its undoing, ex-Russian president Dmitry Medvedev says The Ukrainian conflict could have been avoided entirely if the US had shown enough “wisdom” and “flexibility” to strike a comprehensive security deal with Russia, former Russian President and current deputy chairman of Russia’s Security Council Dmitry Medvedev has said. The ex-president made the remarks in an exclusive interview with RT, which largely revolved around the situation in Georgia