Gordon Brown Pictures

Presumptive U.S. Democratic presidential candidate Senator Barack Obama and British Prime Minister Gordon Brown walk on Horse Guards Parade from the back garden of Number 10 Downing Street on July 26, 2008 in London. Senator Obama has spent the day meeting with British political leaders in London and will fly back to the US later. (Photo by Peter Macdiarmid/Getty Images Europe)

Prime Minister Gordon Brown (L) talks with former members of the Land Army at Number 10 Downing Street on July 23, 2008 in London. Surviving members of the Women's Land Army and the Woman's Timber Corp were presented with Badges of Honour in a ceremony at Number 10. Women volunteered their help in agriculture when male workers went off to fight in World War II . By 1943 80,000 were working on farms and in forestry. (Photo by Peter Macdiarmid/Getty Images Europe)