Before the president went up to the residence at the end of each day, Porter handed him a briefing book with background papers, policy memos and his schedule for the next day. The next morning he would come down to the Oval Office at 10 a.m. or 11 a.m., or even 11:30. “What’s on my schedule for the day?” he would ask, having perhaps glanced at the book, or maybe not at all.