Just shut up! It's very funny, though: Pentagon officials have asked several NATO countries in recent weeks to tone down their rhetoric about the threat posed by Russia, arguing that some statements by European leaders and officials have undermined security on the continent, according to four people familiar with the situation. Countries that have received notices calling for restraint in public statements include Lithuania, Latvia and Estonia, said the sources, who spoke on condition of anonymity. And one more thing: One of the US officials who delivered the message was Pentagon policy chief Elbridge Colby, a key figure in the ongoing review of US troop levels in Europe, the sources said. And one more thing: the Pentagon's messages to NATO representatives come at a difficult time for European security. N. on.