What’s happened to British politics?

“In the face of the complex economic and social challenge that globalisation represents, I don’t think it’s enough to praise the open economy and leave it at that. The only serious option is indeed an open economy in an open society, but it is also our responsibility to tell the whole truth – that globalisation has losers as well as winners, and that open economies must be matched by strong societies.
We must be honest and admit that the rising tide of the open economy does not always lift all boats. Social justice and economic empowerment involve fixing the broken rungs at the bottom of the ladder from poverty to wealth. A strong society is built on strong institutions – institutions with a social, not just a practical, role.”

I agree. In fact, I agree with just about every word in the article from which this quote is taken.
The problem is that the article was written by the Leader of the British Conservative Party David Cameron in the “Economist” magazine The World In 2007″ – an annual publication that I read every year. As a lifelong member of the Britsh Labour Party, how is it possible for me to agree with the Tory leader? Something has happened to British politics ….