Andrew Neil
Daily and Sunday Politics

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More on debt from the BBC's Scottish leaders' debates... Scottish Liberal Democrat leader Willie Rennie turns his fire on three parties all at once. He says the Tories want to "balance the books on the backs of the poor" while Labour and the SNP want to borrow too much. UKIP's David Coburn homes in on the SNP, saying it wants to "spend money it doesn't have".

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The BBC's Scottish leaders' debate kicks off with a question about debt. Is it responsible to spend our way out of debt? Labour's Jim Murphy reckons "you don't have to cut your way out of austerity" while the SNP's Nicola Sturgeon calls for what she calls "modest spending increases" of 0.5% in the next parliament. But Conservative leader Ruth Davidson argues that it's not responsible to "pass debts on to our children".

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SNP leader Nicola Sturgeon has said an attempt to "drag" Scotland out of the EU against its will could trigger another independence referendum. The first minister's comments came as she was asked if plans for a fresh vote on Scotland's future would be in her 2016 Holyrood election manifesto. Scottish Conservative leader Ruth Davidson said the SNP had ruled out another referendum "for a generation". Labour's Jim Murphy said May's general election was not about independence.

Their remarks came during a BBC Scotland TV debate, which is being broadcast on BBC1 Scotland and the BBC News channel.

You can read the full story here.

Six party leaders in Scotland are appearing in this evening's Scottish leaders' debate.

* Jim Murphy - Scottish Labour leader

* Willie Rennie - Scottish Liberal Democrat leader

* Nicola Sturgeon - Scottish National Party leader

* Ruth Davidson - Scottish Conservative leader

* Patrick Harvie - Scottish Green Party co-leader

* David Coburn - UKIP Scotland

You can watch it on the BBC's News Channel and follow the live reporting by our colleagues at BBC Scotland News.

We'll also bring you a taste of the Scottish leaders' debate here too.

The BBC's world affairs editor John Simpson has been comparing and contrasting David Cameron with the seven other prime ministers he has encountered over 40 years. In an article for GQ magazine he finds David Cameron "more natural" than his recent predecessors and "a lot less driven".

John Simpson says: "Cameron is far too intelligent to be bland, but he is certainly hyper-smooth. If he suffers from self-doubt, I couldn’t really spot it. And yet he says he does."

In the same edition of GQ, Alistair Campbell interviews Nick Clegg. Nick Clegg calls the Chancellor George Osborne "a very dangerous man".

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BBC Radio 4

Ruth Alexander, from the BBC's More of Less programme, has been trying to assess the impact of Labour's non-dom policy. She tells BBC Radio 4's PM that no-one can be sure of the financial impact but she's come to one conclusion:

If non-doms were abolished many of these people would be getting their accountants to think of new cunning ideas to shield their money from the taxman."

Listen to Ruth Alexander's take on the non-dom rules.

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B King, Northumbria:

More on Nick Clegg's visit to Go Ape this afternoon, courtesy of Press Association political correspondent David Hughes:

Has today given us the most memorable images from the campaign so far? So far we've had the aforementioned rope bridge, a six-year-old stealing the show while David Cameron visited her school and Joey Essex meeting Nigel Farage. Some of the best have been collated by the BBC's picture editor Phil Coomes.

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A balancing act for the Lib Dem leader as he pays a visit to outdoor adventure centre Go Ape near Exeter.

Lib Dem Tim Farron, a rumoured contender to replace Nick Clegg as party leader, has told Total Politics, external he would be equally happy with a post-election deal with Labour or the Conservatives.

The Daily Telegraph

Columnist Dan Hodges has been scoring each day of the campaign between the parties - and he just about awards today's tussle, external to Labour.

George, Edinburgh:

It's been a chaotic day on the campaign trail for Nigel Farage, says the BBC's Alex Forsyth, who is following the UKIP campaign. It included an encounter with Joey Essex from The Only Way Is Essex, and the cancellation of an event in a pub due to protests. An unguarded moment caught on camera suggests the strain may be showing, she adds.

Leading tax barrister Graham Aaronson thinks it's "extremely unlikely" that Labour's non-dom proposals will raise hundreds of millions of pounds. Mr Aaronson warns that abolishing non-dom tax rules would hit people who live in the UK for a few months a year. He told BBC Radio 5 live:

Mr Aarsonson, who advised the Coalition Government on tax avoidance, says people who live in the UK for short periods tend to spend a great deal of money. But he concedes that some aspects of the non-dom regime are being abused and should be tightened up.

When David Cameron visited a school to announce Conservative plans to make children who fail their Sats tests in primary school resit them, it was a six-year-old who stole the show. Read more here

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David Richardson: