Republican presidential candidate and former Massachusetts Gov. Mitt Romney, center, tours the GREAT Pavillion Exhibit with British Foreign Secretary William Hague, right, and British S

 

              Republican presidential candidate and former Massachusetts Gov. Mitt Romney, center, tours the GREAT Pavillion Exhibit with British Foreign Secretary William Hague, right, and British S
Republican presidential candidate and former Massachusetts Gov. Mitt Romney, center, tours the GREAT Pavillion Exhibit with British Foreign Secretary William Hague, right, and British Secretary of State for International Development Andrew Mitchell in London, Thursday, July 26, 2012. (AP Photo/Charles Dharapak)