13:45UnderstandThe US ElectionThe US Election: 2. The Campaign TrailBBC Radio 4 Duration: 14 minutes Tue 2nd Jan 2024, 13:45 on BBC Radio 4 FMAvailable for over a yearListen nowWhat happens on the road and who actually pays for it all? Show more GenresFactualBrandUnderstandSeriesUnderstand: The US Election Source: BBC Online