"Mrs. Post, the President and First Lady are here to see you. Such is Marjorie Merriweather Post's average evening. Presidents have come and gone, but she has hosted them all. Covered in diamonds and deemed American royalty, Marjorie nevertheless remains the product of her hardscrabble Midwestern roots and an insatiable drive to live, love, and give. A woman who has crawled through Moscow warehouses to rescue the Tsar's treasures, who has outrun the...