Britain has not been treated as well as its 'special relationship' with the US implies.
Britain was pressured into a war its people did not want to engage in. The US has taken liberties like unfair extradition treaties where the US has simply had to order for Britain's residents to be extradited while Britain has had to go to US courts and plead with their justice system. The US embassy in London refuses to pay congestions charges because . . . I don't know.
The EU has had nothing but patience and respect for Britain. How much crap did Britain have to eat for not joining the Euro. None? Thats because the EU respected the decision of Britain even if they disagreed. This is true for many issues, at least more than Britain's tabloid media gives it credit for.
By 2070, the US will have reached the 700 million mark, China and India will be on a par with the US and the EU. Throw in an eastern archipelago of economies like Hong Kong, Japan and South Korea and a western cohort of Australia, New Zealand and Canada with the dice of Russia and you have the greatest duopoly of ideologies the world has seen.
This is all steeped in an environment constituting climate change, warming religious ideologies, energy revolutions, resource scarcities and obviously newfound political fault lines.
Europeans face the exact same problems would it not be more effective to have one voice representing one of the western tower that stands. It could signal authority and power. Nothing new to the European powers but in a different chapter in the Earth saga.
Britain on its own, constitutes 60 million people on a small island. In the past Britain was built on its sea power and its industrial capacity and military strength. Be truthful, Does Britain still have what it takes to out maneuver other nations? Probably not; the 21st century is built on different criteria that far exceeds the capacity of Britain going it solo.
Britain should roll up its sleeves and bring its good ideas to the EU table. Get involved change what it is Britain does not like about he EU. You've heard the democracy motto "Love it or Fix it". Well, then bloody adopt it. Whip out that economic/political spanner and get cracking. None of this sitting on the sidelines till the EU proves itself. Roll the dice, take a chance. It's not something Britain is used to but times have changed.
It is possible to fare it alone but looking for strength in a non cohesive common wealth and an increasingly distant English speaking world. This is a tough road and doesn't acknowledge that the two World Wars set Europe (and Britain back ) decades.
I feel that the European powers united will whoop balls, have the loudest economic voice and greatest influence sphere. We need Britain as much as Britain needs the EU. Either hop aboard or don't. Getting off would be awfully British though, perhaps defining a new Britain thats more assertive and flexible ain't a bad thing. Albeit less independent.
-Dev