Reuters: The British government set out on Friday extra measures to help the poor and boost energy efficiency in the face of rocketing fuel prices. Booming oil and energy prices are adding to the headaches for Prime Minister Gordon Brown whose future is under threat due to a faltering economy, a mess-up on tax changes and his Labour Party’s mauling in recent elections. From energy suppliers sharing data to more help for home insulation and microgeneration and an information campaign the …