Penguin Random House wants to absorb its rival Simon & Schuster. The publisher says the merger would be good for authors by increasing advances. But the federal government says it would create a publishing behemoth that would harm writers and consumers, and it has sued to block the merger. Now, one of the most closely watched antitrust trials in U.S. history is unfolding in a Washington D.C. courthouse. Hillel Italie, books and publishing reporter for the Associated Press, joins to help explain the plot twists.