Russia is backing down. After a top Kremlin official made "highly provocative statements" that made Donald Trump move United States nuclear submarines closer to Moscow, the country issued an apology to American leadership. Yuri Gripas - Pool via CNP / MEGA "Overall, of course, we do not wish to be drawn into such discussion or comment on it. We approach any statements related to nuclear issues with great caution," Kremlin spokesperson Dmitry Peskov said. "As you know, Russia holds a responsible position. President [Vladimir] Putin's stance is well known.