Writer and broadcaster Janet Street-Porter comes to Scotland to find out what the referendum is all about - what lies behind this historic vote, and what are the key issues. And she does it the way she knows best - sampling three of Scotland's most famous walks and talking to some colourful characters along the way. On her travels in the Borders, the Central Belt and the North East of Scotland, Janet takes in some stunning scenery - and a wide range of views from a variety of age groups and sections of the voting public.

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