In a new collection, What Happened: The Trump Presidency in Review, American Compass and The American Conservative convened leading conservative analysts to dissect the successes and failures of the Trump administration and consider what the conservative movement can learn from it going forward.  Ross Douthat of the New York Times, Rachel Bovard of the Conservative Partnership Institute, and Oren Cass of American Compass speak with Arthur Bloom of The American Conservative about what they see as the key lessons of the past four years.