Leo is rushed into bypass surgery after suffering a massive heart attack; as Toby and Josh scramble chaotically to get votes after Haffley demands Democratic support for a tax cut in exchange for ratification of the peace plan, it becomes quickly apparent that Jed must overcome his reluctance to name a new chief of staff; C.J. works with the State Department on getting U.N. and NATO approval of the peace accord; Charlie drags his feet about completing some minor graduation requirements because he’s reluctant to keep his promise that he’ll resign as Jed’s body man to seek a better position once he has his degree; Donna returns to work; C.J. gets on Josh’s case about his unhealthy diet.