California and a coalition of left-leaning states are expected to file a legal challenge to President Donald Trump’s national emergency declaration as soon as Monday.
'The ACLU continues to play a central role in the courts and Congress in … defending the ability of whistleblowers to reveal information about government wrongdoing.'
The case does not concern the merits of the dispute over the citizenship question. Rather, the high court will decide which evidence the trial court may consider before issuing its ruling.