Mira was looking at a spreadsheet when the mail clerk dropped a thick envelope on her desk. It took a moment for her to reach a place where she could stop. She saw her name and company address on the label, then ripped the envelope open. Inside: flight, hotel, itinerary. What’s all this? she wondered. The note was curt. Your Presence is Requested. You will not need luggage; all is provided. You will be met at the airport....