As news of Hurricane Maria reached the mainland, doctoral students Astrid SambolÃn Morales and Molly Hamm-RodrÃguez were in Colorado, but their hearts were with Puerto Rico. SambolÃn Morales, a Puerto Rican, and Hamm-RodrÃguez, who has lived and worked in the Caribbean, were focused on the well-being of family, friends and...