In a year like no other, the summer vacation takes on new meaning. After months of shutdowns and job losses, not everyone can afford to get away from it all. Still, it is August and for many Americans, it's a month to shut down, unplug and head to the beach or the mountains or just a comfy recliner. And that means that must-view summer reading lists are back. McKinsey asked leaders from business, media and other fields what they're reading during these dog days; you can find the list h...