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1984: Reagan promises NOT To exploit his young opponent's "youth and inexperience".
1988: Dan Quayle is the victim of a great putdown from Dukakis' running mate, Lloyd Bentsen of Texas.
2000: When Al Gore moved into George W Bush's zone in 2000 the latter simply nodded in his direction. It was the most-remembered moment of the debate!
2004: Bush, debating with John Kerry, insists that he did not act alone in the Iraq war.
Hall of fame: Five of the best Silvio Berlusconi videos.
London elections: BBC interviews with Boris Johnson, Ken Livingstone and Brian Paddick.
Click here to watch Rory Bremner impersonating Tony Blair, William Hague, Michael Howard, Boris Johnson, Ming Campbell and John Major.
Josh and Toby lose it when they realise they've changed timezones and missed the Airforce One flight:
President Bartlet yells at the UN Secretary General for complaining about being charged for parking tickets:
After Mrs Landingham's death and calls to resign over his MS, Bartletd ramatically decides whether to run again:
Bruno is fed up of apologising for being a liberal:
Abigail cuts Bartlet's tie off seconds before his one debate with Ritchie:
Arnold Vinick, GOP candidate in the final season, clashes with President Bartlet over the safety of nuclear power:
Arnold Vinick meets with aides to discuss his difficult relationship with the Christian Right:
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