Excuse me, I’m sorry. Excuse me. Sorry, sorry, sorry. I maneuver across a crowded subway platform and step onto a slow-moving escalator. Perched in the middle, I avoid the sticky rubber handrails, and travel—head down, antennae up—until I emerge from the stuffy underground and step into the national-park spaciousness of Grand Central Station. I gaze at the terminal’s star-spattered ceiling, shuffle around a clump of camera-toting tourists, and scoot outside into the June morning.