This question appears in today's YouGov poll commissioned by the Sunday Times, and it's certainly not the first time we've seen a variant of it -
If there are to be TV debates at the next election in 2015, which of the following would you prefer?
a) Straight debates between David Cameron and Ed Miliband, as they are the only two leaders who stand any realistic chance
b) Three-way debates, like last time, between the Labour, Conservative and Liberal Democrat leaders
c) Four-way debates, to include Nigel Farage, leader of the UK Independence Party, as UKIP is now more popular than the Lib Dems
d) Don't Know
If I had been responding to that question, it would have been literally impossible for me to give an honest answer. I'd have had to say "don't know" to avoid appearing to support one of three options that I strongly oppose, but it's not true that I don't have an opinion - I have an extremely firm view that the SNP and Plaid Cymru should be represented in any leaders' debates that may take place. Even some respondents in England must have struggled with the question, because there will be many people who think that the Greens and/or Respect should have a place in the debates - after all, unlike UKIP, both of those parties are already represented in the House of Commons.
Listen, YouGov. If you want to arbitrarily restrict the ability of your respondents to express their positive preferences, that's one thing. But what is so hard about giving them a "none of the above" option to at least allow them to feel that they aren't having words put in their mouth?
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Because of the absurd weighting scheme that YouGov use for their Scottish respondents in GB-wide polls, it's quite unusual for the SNP to hold a clear lead in the Scottish subsample for Westminster voting intention, but today is one of those rare occasions -
Liberal Democrats 9%
Heaven only knows what the position would be if YouGov were using a sensible weighting procedure, because as happens day in, day out, the voices of people who identify with the SNP and Plaid Cymru have been massively downweighted in this poll. 51 SNP and Plaid identifiers were interviewed, but they were downweighted by a whopping 40% to count as just 31 'virtual' respondents.
As you'd expect, the SNP also hold the lead in the subsample for European Parliament voting intentions, although curiously that lead is somewhat more modest than the one for Westminster...
Liberal Democrats 10%
Much has been made of the fact that UKIP have now taken a slender European election lead over Labour in this poll across Britain. Unlike some people, though, I don't think that's good news for the Yes campaign. Voters in Scotland will certainly be repulsed by a UKIP victory down south, but the biggest side-effect is likely to be a temporary UKIP surge in voting intentions for Westminster, which will come largely at the expense of the Tories. That will disguise the overwhelming polling evidence that the Tories are heading for a general election victory next year, thus potentially giving soft No voters the comfort blanket of thinking that they aren't necessarily voting for David Cameron to remain as Prime Minister (which is of course exactly what they're doing).
However, the only real alternative to a UKIP victory in May is a Labour victory - it's highly unlikely that an incumbent governing party in Westminster could come out on top in a relatively unimportant mid-term election that offers the opportunity for 'free hit' protest voting. So whichever way it goes, there may well be a scenario created that will give Labour a misleading temporary boost in the GB-wide polls, which is the last thing we need with just four months to go until the referendum.
We can't control any of that, so the most important thing is to ensure that the SNP win the popular vote in Scotland, and if possible an additional seat. The momentum generated from that could prove invaluable.