The leaders are debating the issue of North Sea Oil.
Alex Salmond says that "every other country in Europe would give their back teeth to have North Sea Oil".
Alistair Darling argues that it is risky to rely on a source of revenue that is very volatile, saying that Salmond is "gambling our children's future".
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The world's biggest Human Slingshot has opened in Dumfries and Galloway today.
Six former British soldiers, including three from this region, have been told today that they will go on trial in India on weapons charges.