On his first day back in office, Donald Trump signed an executive order that would end birthright citizenship for the children of undocumented immigrants and temporary residents. That night, the ACLU filed a lawsuit, calling Trump’s order unconstitutional. In 1857, the Supreme Court’s Dred Scott decision ruled that Black Americans were not U.S. citizens. In the wake of the Civil War, the 14th amendment overturned that decision, guaranteeing citizenship to all people born or naturalized in the America, a right that was later upheld by the Supreme Court in the case of Wong Kim Ark, who was born in San Francisco to Chinese parents. So what is Donald Trump’s argument against this core tenet of American democracy? What is the ACLU’s strategy in this case? And what does it mean for how we define American? Subscribe for more videos on #Immigration and the American identity: bit.ly/subscribedefineamerican