Scottish independence: What's going on in Scotland?

http://www.bbc.co.uk/news/uk-scotland-scotland-politics-26550736

Version 0 of 1.

Why is it happening?

The arguments for and against

What are the key issues?

North Sea oil: Facts and figures

Currency

Currency debate explained

Do people want independence?

Who gets to vote

What happens on 19 September?

Let's end with a history lesson