Jeff Bezos' girlfriend has privately acknowledged that she shared some photos and texts from the Amazon founder with several female friends, adding to the mystery of who leaked salacious material to the National Enquirer, according to a source close to the couple. In addition, the girlfriend, television personality Lauren Sanchez, also had the contents of her computer downloaded onto her assistant's computer for safekeeping, according to the source. What's more, investigators for Bezos are aware that Sanchez shared the photos and texts because, with her cooperation, they were able to trace the material in the cloud, where most computer and...