 After being offered "a proportional response" to the Syrian military s downing of a U.S. military plane on a medical mission (and carrying his newly named personal physician), the president demands an option that will have greater impact. Leo gradually must talk him down, while Bartlet snipes at everyone, including Abby. The president ultimately agrees to the initial option, but is not happy about it. Charlie Young is introduced as an applicant for a messenger job whom Josh decides to hire as Bartler s personal aide (note: he mentions being sent to Josh by Mrs. De La Guardia, who is later introduced in season four as Debbie Fiderer (Lily Tomlin), who becomes Mrs. Landingham s replacement).