OTTAWA, CANADA – JULY 02: Prince William, Duke of Cambridge meets former nurses, who served during World War II, at the Canadian War Museum on July 2, 2011 in Ottawa, Canada. Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge are on the third day of their first joint overseas tour. Ottawa is the start of a 12 day visit to North America which will take in some of the more remote areas of the country such as Prince Edward Island, Yellowknife and Calgary. (Photo by John Stillwell – Pool/Getty Images)