“If you wish to achieve Beatle-level success in your field, you must first learn to think like a Beatle,” write authors George Cassidy and Richard Courtney in their terrific book, Come Together: The Business Wisdom of the Beatles. Preposterous, right? Who has the hubris to aim for Beatle-level success? This absolutely delightful book makes you think you could and should. In its unique and humorous …