The Necessary Art -- While Henry is in Russia giving a lecture on fundamentalism, Elizabeth must navigate tricky political waters when a Russian nuclear submarine vanishes in American waters. Also, Stevie breaks up with her older boyfriend, on MADAM SECRETARY, Sunday, April 12 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Blake Moran (Erich Bergen), shown. Photo: Sarah Shatz/CBS ÃÂ©2015 CBS Broadcasting, Inc. All Rights Reserved | Episode 1.20 - The Necessary Art | Promotional Episode Photos | Season 1 | Madam Secretary | Gallery