The man took a seat, slid a blank postcard in front of him, plucked a pen from a jar and paused. There. That’s the moment that Rachel Weil lives for. The addressee chosen. The sentiment sorted out.

If you wanted to find me on campus you could probably follow the origami paper boat trail I leave behind, somewhat of a Hansel and Gretel-like situation. I fold paper boats from whatever’s foldable, ...