Below is an excerpt from The President’s Devotional by Joshua Dubois, the former head of the White House Office of Faith-Based and Neighborhood Partnerships. He’s recounting events that occurred Sunday, December 16, 2012 — two days after the shooting at Sandy Hook Elementary School in Newtown, Connecticut, when 20-year-old Adam Lanza fatally shot 20 children and 6 adult staff members. Dubois had gotten word the day before that the President wanted to meet with the families of the victims:

I left early to help the advance team—the hardworking folks who handle logistics for every event—set things up, and I arrived at the local high school where the meetings and memorial service would take place. We prepared seven or eight classrooms for the families of the slain children and teachers, two or three families to a classroom, placing water and tissues and snacks in each one. Honestly, we didn’t know how…