At 3:10 a.m. on October 27, 2011, a less-than-diplomatic email landed in the inboxes of attendees at the G20 Summit, an annual gathering of heads of government and other representatives from the world’s top economic powers. “Ladies and Gentlemen,” the email began, “First Lady Nude Photos.” It was followed by a link that promised to open a stash of nude photos of France’s then-first lady, Carla Bruni.