AS UNCOMFORTABLE AS they were, at least he and Katie had each other. David and Lena were making do very much the same way, with David leaning against the window and Lena leaning against him. The rest of the tour was faring somewhat worse. Natalya and Haruka were doing competitive stretches in their seats and quickly verging into Cirque du Soleil territory. Natalya was multitasking that with facetiming her mom’s new puppy. Towards the back of the bus, an initially friendly argument between Tyler and Shane about video games was growing snappish and unpleasant. “Okay,” Katie finally said, pulling out her phone and unlocking it. “If nobody’s getting any sleep anyway ....” She put on one of their warm-up playlists, the one with European electropop they used when they were dragging and unhappy

