London — Prince Harry's long-awaited memoir, "Spare," is due out next week, but with a copy leaked to the Guardian newspaper and the book accidentally put on sale early in Spain, some early revelations have been made public. There was no comment from Buckingham Palace or Kensington Palace in response to the leaked allegations. Prince Harry says he killed 25 people in Afghanistan In his new memoir "Spare," Harry outlines how he killed 25 people while serving in the British army. "In battle conditions, there's often a great deal of indiscriminate firing. But in the age of Apaches and laptops,...