The Supreme Court heard a blockbuster case on Thursday that impacts how challenging or easy it will be for President Trump’s executive orders to be enacted in the future, such as his order to end birthright citizenship for children born to undocumented immigrants.

The Supreme Court will hear oral arguments Thursday on a challenge to President Donald Trump's effort to end birthright citizenship, and crucially, whether lower courts that have blocked Trump's policies from taking force nationwide have acted beyond their authority.

The hearing will give a sense of how the justices are thinking about a case that could have a profound impact on Trump's powers.