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

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

The birthright citizenship legal challenge at the Supreme Court is not a minor adjustment to immigration policy, but a ...

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 ...

How Trump could subvert the Constitution and stay in office for a third term - ANALYSIS: The president would need the backing ...

Readers reflect on the Constitution and the state of American democracy. Also: The Catholic Church sex abuse crisis; Elon ...

"This is not a man who respects the rule of law, nor one who seeks to understand it," wrote retired federal judge J. Michael ...

As President Trump tests what "due process" means under the law, the courts say his government must take steps to ensure ...

President Trump and his allies have portrayed their efforts to bypass due process as necessary for national security.

In a time when leadership should reaffirm our commitment to the Constitution, uncertainty in its defense threatens the very ...

President Trump has repeatedly questioned the constitutional right to due process. His attacks come as the courts warn that ...

Trump is repeatedly losing in the Federal and United States Supreme Courts, for repeatedly violating the United States ...