In his follow-up to Fire and Fury, Michael Wolff writes about a presidency under fire from almost every side. At the outset of Trump's second year as president, his situation is profoundly different. No longer tempered by experienced advisers, he is more impulsive and volatile than ever. But the wheels of justice are inexorably turning: Robert Mueller's 'witch hunt' haunts Trump every day, and other federal prosecutors are taking a deep dive into his personal affairs. Many in the political establishment -- even some members of his own administration -- have turned on Trump and are dedicated to bringing him down. The Democrats see victory at the polls, and perhaps impeachment, in front of them. Trump, meanwhile, is certain he is invincible, making him all the more exposed and vulnerable. Week by week, as Trump becomes increasingly erratic, the question that lies at the heart of his tenure becomes ever more urgent : Will this most abnormal of presidencies at last reach the breaking point and implode?