Bartlet must deal with the possiblity of a nuclear explosion in California, Kate is keeping a careful watch on the election in Kazakhstan and China's response, Will is acting as the government's voice this week, and Josh is trying to keep his political version of Tourette's in check.
Elenco: Martin Sheen , Dulé Hill , Bradley Whitford , Alan Alda , Allison Janney , Janel Moloney , Jimmy Smits , John Spencer , Joshua Malina , Mary McCormack , Moira Kelly , Richard Schiff , Rob Lowe , Stockard Channing .