March of the Machines - Steve Kroft reports on technological advances, especially robotics, that are revolutionizing the workplace, but not necessarily creating jobs. Harry Radliffe and Maria Gavrilovic are the producers. The 9/11 Museum - Lesley Stahl gets an in-depth look at the National September 11 Memorial Museum currently under construction seven stories below ground at ground zero, touring the massive space, getting a preview of its planned exhibits, and speaking to its director, president, and family members of victims who sit on its board. Shari Finkelstein is the producer. Michael Jackson - Lara Logan gets a rare look at some of the personal effects of the late pop singer, whose brand is making more money in death than the King of Pop himself was earning later in his free-spending life. John Hamlin is the producer.