Former Russian president Dmitry Medvedev has become embroiled in a tense back-and-forth on social media that prompted U.S. President Donald Trump to announce he had ordered the re-positioning of two U.

Did former Russian President Dmitry Medvedev warn President Donald Trump that he should not think that "the Mossad alone has a video archive of his past depravities"? No, that's not true: The quote was attributed to "Russia media" by

F ormer Russian president Dmitry Medvedev, who is currently serving as deputy chair of the security council of the Russian Federation, is embroiled in a social media spat with United States President Donald Trump, prompting the latter to order the deployment of two nuclear submarines.