By Vasil I. Yasenov, Duncan Lawrence, Fernando S. Mendoza, et al., JAMA Pediatrics, November 18, 2019 Key Points Question Is state-level expansion of public health insurance coverage to non–US-born children and pregnant women associated with increased in-migration of eligible immigrant families from other states? Findings In this difference-in-differences analysis of data on 208 060 immigrants from the American Community Survey from 2000 through 2016, no association was found between...