The Duke & Duchess of Cambridge Sign Book of Condolence For Orlando Shootings Victims

LONDON, ENGLAND - JUNE 14: Prince WIlliam, The Duke of Cambridge signs a book of condolence for the Orlando mass shooting victims while Catherine, Duchess of Cambridge looks on at the US Embassy on June 14, 2016 in London, England. (Photo by Philip Toscano - WPA Pool/Getty Images)