Season 3: 2001–2002　　Cast: Rob Lowe, Stockard Channing, Dulé Hill, Allison Janney, Janel Moloney, Richard Schiff, John Spencer, Bradley Whitford and Martin Sheen　　The third season, which covers the administration's third and fourth years in office, starts off with Bartlet announcing his intention to run for reelection and is heavily devoted to the upcoming presidential election. Other prominent plotlines include Congressional investigations into whether Bartlet committed electoral fraud by concealing his MS, a death threat against C.J. and the ensuing relationship she develops with a Secret Service agent assigned to her, the Qumari defense minister Abdul Shareef plotting terrorist attacks against the US, and a troubling meeting between Toby and the President that leaves Bartlet with a bo...