1. Meghan Zacher is with the Population Studies and Training Center and the Data Science Initiative, Brown University, Providence, RI. Ethan J. Raker and Mary C. Waters are with the Department of Sociology, Harvard University, Cambridge, MA. Mariana C. Arcaya is with the Department of Urban Studies, Massachusetts Institute of Technology, Cambridge. Sarah R. Lowe is with the Department of Social and Behavioral Sciences, Yale School of Public Health, New Haven, CT. Jean Rhodes is with the Department of...