Boris Johnson, mayor of London, speaks during the Confederation of British Industry (CBI) annual conference at the Grosvenor House hotel in London, U.K., on Monday, Nov. 19, 2012. U.K. Prime Minister David Cameron said he plans to make it harder to apply for judge-led reviews of government decisions in the U.K., arguing the current system and other red tape are holding back projects needed to boost growth. Photographer: Simon Dawson/Bloomberg *** Local Caption *** Boris Johnson Bloomberg