: The Republican side sees the rise of Senator Arnold Vinick , a moderate Californian who presents a formidable challenge to the Democrats.
: The season opens with President Bartlet attempting to broker peace between Israel and Palestine. This creates a historic rift between Bartlet and his Chief of Staff, Leo McGarry, who believes the mission is a mistake. The West Wing - Season 6
: A principled, popular Republican Senator who becomes the GOP nominee. : The Republican side sees the rise of
: Following a heart attack during the summit, Leo steps down as Chief of Staff. In a surprising move, Bartlet appoints Press Secretary C.J. Cregg as his successor, forcing her to navigate a steep learning curve and the President's worsening multiple sclerosis. : A principled, popular Republican Senator who becomes
: The season concludes with a high-stakes cliffhanger involving a leak of classified information regarding a military space shuttle, which leads to a criminal investigation within the West Wing. Cast and New Characters
: An idealistic but weary Congressman whom Josh convinces to run for president.
Season 6 introduced several significant characters who reshaped the show's dynamic: