Madam Secretary Season 5 Promo

In the aftermath of a deadly attack on the White House, Elizabeth tries to keep a major nuclear disarmament deal from falling apart while a manhunt for the attackers brings D.C. to a halt. For advice, Elizabeth turns to former secretaries of state (guest starring as themselves) Madeleine Albright, Hillary Clinton and Colin Powell, on the fifth season premiere of MADAM SECRETARY, Sunday, October 7th on CBS.