In truth, Nara Shikaku had put on that expression as well. After the Second Hokage and the others had been revived, but before the meeting began, several of Konoha's higher-ups had sought out Nara Shikaku and Nara Shikahira to discuss countermeasures. The specifics had already been settled. Part of this meeting was to inform Konoha's important figures and assign their next tasks; another part was to steady the troops while briefing them on the situation. In other words, there was a certain element of performance to this meeting.