“We don’t have time to do interrogations every time something goes wrong,” I say, exasperated. “Get me a list of all the changes made in the past, say, three days. Without an accurate timeline, we won’t be able to establish cause and effect, and we’ll probably end up causing another outage.” “Good idea,” she nods. “If necessary, I’ll e-mail everyone in it to find out what they were doing, to catch things that weren’t on our schedule.”

