Kate Lamble investigates the extraordinary inside story of Britain's most ambitious and controversial rail project.
The inside story behind HS2. Has a high speed dream become an almighty mess?
4 mins
The ins and outs of political campaigning.
14 mins
Selecting the candidates to stand in an election
How do manifestos get written and who are they actually for?
15 mins
What can we tell about how someone will vote from their age, gender and ethnicity?
Explaining voter ID, votes for Brits abroad and why we use pencils instead of pens.
The significance of marginal seats, tactical voting and electoral pacts.
What polls can tell us. And what they can’t.
Why does the media matter in an election campaign?
13 mins
How does the political geography of the devolved nations differ