In May of 2015, Jayson Greene's first child, Greta, had just turned two and was spending the day with her grandmother, Susan. While she and Susan were sitting on a bench in Manhattan, a piece of masonry fell from a building, hitting them both. Susan survived, but Greta did not. From the first days of grief, Jayson turned to writing, documenting all that was unfolding. These initial writings became his stunning memoir, Once More We Saw Stars. We talk about Greta, grief, and parenting Jayson's second child, Harrison.