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".
More top news
Kerrie Gosney brings you Saturday night's forecast
The NFU and National Trust are calling on the government to do more to make the countryside flood resilient.
Many areas dry with cold nights, patchy fog and some sunshine by day