BBC: To be present during the early sessions of the Congressional inquiries into the cause of the Deepwater Horizon explosion last month, was to get a sense that this is not a great time to be trading on the word “British” in Washington. Congressmen were lining up to heap scorn on both BP’s response to the spill and its prior safety record in the United States. Although BP has not been called British Petroleum for the best part of a decade, it has become fashionable for …