国际英语新闻：British government plays down rift with U.S. fiscal policy in run-up to G8, G20 summits

But he has also prepared his voters for the shock of rising casualties over the summer, and the political impact of that has the potential to undermine British support for American policy.

Cameron could see tensions too with U.S. President Barack Obama over the BP oil well disaster off the coast of the southern United States.

The current British government line is that this is a matter for BP, and BP employs more people in the United States and makes returns to U.S. shareholders as well as British ones, says the government.

But the continued pollution is a potential rough patch in the trans-Atlantic relationship.