John Hilary, writing in the Guardian,  argues that the PM is spinning his position on financial regulation by saying one thing in public but the opposite in private:

This weekend's G20 summit in Washington DC is set for a showdown.

While our leaders look ready to agree on the importance of coordinated fiscal stimulus packages to reboot the world conomy, the main theme of the summit – retaking control of the world's financial systems – is likely to spark off heated debate. And for all his claims to be leading the world out of its current crisis, Gordon Brown could well be the one blocking progress.

Global Research have an in-depth article on the thinking behind the UK/US position ahead of this summit.