"Unity Node"--Elizabeth tries to salvage a peace deal with Russia after an unexpected turn of events threatens to dissolve the agreement. Also, Elizabeth gets dragged into dealing with an emergency situation aboard the International Space Station, and Henry quits his job with the NSA, on MADAM SECRETARY, Sunday, Jan. 10 (8:00--9:00 PM, ET/PT) on the CBS Television Network. Pictured: Keith Carradine as President Conrad Dalton Photo: Sarah Shatz/CBS ÃÂ©2015 CBS Broadcasting, Inc. All Rights Reserved | Episode 2.11 - Unity Mode | Promotional Episode Photos | Season 2 | Madam Secretary | Gallery