As acting chief of staff, Josh calls Leo in for backup when the news about Jed's health hits; the staff follows the progress of an asteroid headed for earth; Jed struggles with his relapse as C.J., Kate, and Toby handle the repercussions of his illne... (more)ss on the progress of the China summit; Josh is outraged when Will uses Jed's paralysis as a political opportunity for Russell; Donna resorts to extreme measures when Josh avoids her repeated attempts to sit down for a personal discussion; after receiving some wise advice from Leo about the future, Josh makes a decision about the man he'll support in the upcoming presidential election.

Ben Murray, Cleo King, David Grant Wright, James Kyson, Janette Kim, Jonathan Brent, Mary Kay Place, Patrick Fischler, Ping Wu, Raymond Ma, William Hootkins, Willie Gault