As part of his broader immigration overhaul, President Donald Trump plans to watch the US Supreme Court's deliberations on whether birthright citizenship should be revoked.

As part of his broader immigration overhaul, President Donald Trump plans to watch the US Supreme Court's deliberations on whether birthright citizenship should be revoked.

On his first day back in the Oval Office this year, Trump issued an executive order effectively ending automatic citizenship for babies born to parents who are in the US illegally or temporarily.