The UK government is setting out its case for the Union, ahead of the 2014 Scottish independence referendum.
Westminster says it will explain in detail why people and companies in Scotland benefit from its place in the UK.
Scottish Secretary Michael Moore began outlining the Government's vision if the Union continues.
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Emma brings you Saturday night's forecast
Thousands of fans, hundreds of flags, dozens of bagpipes and lots of tartan. Click here for a fan's picture gallery from Scotland v Samoa.
More than 100,000 Rugby fans are expected in the city this weekend as St James' Park hosts its final match World Cup match.