The Supreme Court’s ruling narrowed the authority of federal judges but still left open several channels to challenge the president’s executive order banning birthright citizenship.

The ruling left unsettled the question of whether children born to immigrants without full legal status in the United States are entitled to automatic citizenship. So what happens now?

But for the remaining 28 states that have not sued, Trump's attempts to end birthright citizenship could go into effect in as soon as 30 days. Challengers can and will also fight