President Donald Trump’s decision to part ways with Steve Bannon can be understood as an effort to save his presidency after Charlottesville. It may turn out to be the beginning of the end for the Trump administration, the moment Donald Trump became Arnold Schwarzenegger. ... Bannon was not just Trump’s master strategist, the man who turned a failing campaign around in August 2016 and led one of the most remarkable come-from-behind victories in political history. He was also the conservative spine of the administration. His infamous whiteboard in the West Wing listed the promises Trump had made to the voters,...