It does not seem to me that the steps which would be needed to make Britain - and others - more comfortable in their relationship in the European Union are inherently so outlandish or unreasonable.
The biggest danger to the European Union comes not from those who advocate change, but from those who denounce new thinking as heresy. In its long history Europe has experience of heretics who turned out to have a point.
On the one hand we have got to ask, are there some areas of universal benefits that are no longer affordable? But on the other hand let us look at the issue of dependency where we have trapped people in poverty through the extent of welfare that they have.
From Caesar's legions to the Napoleonic wars. From the Reformation, the Enlightenment and the industrial revolution to the defeat of nazism. We have helped to write European history, and Europe has helped write ours.