Efforts to redefine the 14th Amendment could leave thousands of children stateless and trigger constitutional battles.

Ending the birthright citizenship will deny citizenship by birth to those born to undocumented people within the US and to the children of those on student, work, tourist and certain other types of visas.

The ACLU filed the lawsuit on behalf of a pregnant immigrant, undocumented parents, and their U.S.-born children.

A federal judge in New Hampshire says he will certify a class action lawsuit including all children who will be affected by Trump’s executive order ending birthright citizenship.

Analysis of the Supreme Court decision in Trump v. CASA and its likely consequences for executive orders, nationwide injunctions and court-shopping.

"Birthright citizenship has protected us from those who might wish to pick and choose who gets to be American."