With 'Fire and Fury', Michael Wolff defined the first phase of the Trump administration; now, in 'Siege', he has written an equally essential and explosive book about a presidency that is under fire from almost every side. A fresh narrative that begins just as Trump's second year as president is getting underway and ends with the delivery of the Mueller report, this book reveals an administration that is perpetually beleaguered by investigations and a president who is increasingly volatile, erratic and exposed.