You are three minutes into your presentation. Everything is working. Your slides are clean. Your opening hit home. The room gave you that early nod, the one that tells you they are with you. Meaning you have next to zero anxiety at that point. And you feel the momentum building. Then the door opens. A senior leader walks in late. Pulls out a chair. Sets down a coffee. Looks at you. And within thirty seconds, cuts across everything: "We're running short on time today. Can you just get to the...