LONDON – APRIL 2: The wife of Britain’s Prime Minister Sarah Brown (R) greets British author J.K Rowling as the G-20 spouses, including first Lady Michelle Obama, visit the Royal Opera House in Covent Garden on April 2, 2009 in London, England. While world leaders’ gather at the London’s Docklands to attend G20 leaders’ summit aiming to find measures to tackle the world’s financial crisis, the spouses have several events scheduled around the city. (Photo by Joel Ryan/WPA Pool/Getty Images)