The suit argues some children could be left "stateless" under the executive order, unrecognized as a citizen in the U.S. or their parents' countries of origin.

Washington state is suing the Trump administration over the president's executive order to end birthright citizenship, with Arizona, Oregon, and Illinois joining the lawsuit. Why it matters: The legal challenge,

Brown on Tuesday announced a lawsuit targeting Trump’s executive order that aims to end birthright citizenship. Washington’s new AG, who was sworn in last week, decried the directive as “unconstitutional,” “cruel” and “simply un-American.”