Directed by Jessica Yu. With Rob Lowe, Dulé Hill, Allison Janney, Janel Moloney. On this year's "Big Block of Cheese Day", a college friend of Donna's asks Sam to help her get her late grandfather, accused of being a Communist spy inside the U.S. government, a presidential pardon; dealing with the recent revelation that his father had been having an affair for the past 27 years, Sam faces off with an F.B.I. agent, and later with Nancy McNally, over the pardon. Elsewhere, a ...