Amazon is integrating Whole Foods more deeply into its core business, in a major reorganization that it hopes will reinvigorate its grocery business under new leadership. In an internal memo last week, Whole Foods CEO and Amazon VP of Worldwide Grocery Jason Buechel explained how the restructuring will bring the two companies closer together.The plan includes a new leadership team and a change that will bring Whole Foods corporate staff under Amazon's employee programs, including performance reviews and pa ...