"We should have the opportunity to work with Russia, they are a nuclear power ... and we should be able to do business with them without these artificial obstacles," RIA Novosti reports his words.
Earlier, the State Department announced the launch of a strategic dialogue with Moscow.
A spokesman for the Russian leader, Dmitry Peskov, following talks between the presidents of Russia and the United States, Vladimir Putin and Donald Trump, at the G20 summit in Osaka, announced the parties' intention to continue the dialogue at the highest level.