Alex Salmond and Alistair Darling will clash tonight over Scottish independence for a two-hour lived televised debate on the Scottish STV channel.
Some are billing it as the most important TV debate in British history, due to the union being at stake, as the pair argue over whether Scotland would be better off as an independent nation or remaining part of the United Kingdom.
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Salmond is widely expected to triumph tonight due to his populist rhetorical style and extensive debating experience. But he will have to ensure he does not get the carpet pulled out from beneath him by his softly spoken rival.
As we look forward to the debate, here are five questions Salmond could put to Darling that could expose the pro-unionist argument live on Scottish television.
