The United States is at risk of lacking data from more than 10 million undocumented immigrants in the 2020 census.
The question facing justices isn't whether the president had the authority to rescind DACA. Rather, it is: Was he honest in his reasons why?
Health care, immigration and trade have been hot topics during the campaign and are likely to come up during the fifth Democratic debate.
Immigrant children could remain indefinitely in federal detention if courts allow the Trump administration to ditch a landmark agreement that has protected migrant children for decades.