Donald Trump once again swore to “preserve, protect and defend the Constitution of the United States” to the ‘best of his ability’ before becoming president for the second time – but since then, the ...

Donald Trump said he doesn't know if he must uphold the Constitution when Kristen Welker asked about due process rights in a ...

The Supreme Court is considering whether Trump's executive order ending birthright citizenship can be enforced while it's ...

Donald Trump said 'I don't know' when he was asked if it is his job to uphold the U.S. Constitution as the president during a ...

As the Trump administration tests the limits of presidential power, here's a look at what the U.S. Constitution says.

The Supreme Court heard arguments over President Donald Trump’s effort to roll back nationwide injunctions blocking his ...

Support for President Trump's plans to end birthright citizenship has dropped in recent months among the GOP, a new poll ...

President Donald Trump was asked if it was his sworn duty to defend the Constitution, to which he actually said, 'I don't ...

Trump, months after taking the oath of office, questioned whether he had a duty to uphold the constitutional right to due ...

Donald Trump has repeatedly floated the idea of remaining in office once his term ends. Examples from other countries show ...

Donald Trump posted a screed against birthright citizenship just hours before the Supreme Court is set to hear arguments on ...

Asked on 'Meet the Press' whether he needs to uphold the U.S. Constitution, President Trump flatly said, 'I don't know.' And ...