The Evolving Tehran-Moscow Axis with Irina Tsukerman

The Kremlin and the mullahs of Tehran, despite their disparate backgrounds and political agendas, have formed a working alliance against the West. Iranian media even trumpeted a "new world order" when Putin visited Tehran last month. What are their current areas of tension and cooperation? What does their cooperation mean for the United States and its allies? How can it best be countered?