A lawyer who represented a whistleblower who was key to President Donald Trump's first impeachment sued the Trump administration for revoking his security clearance.

An attorney who represented a whistleblower key to President Trump’s first impeachment is suing the administration after they stripped his security clearance. Mark Zaid, a longtime national ...

Secretary of State Marco Rubio will be named acting national security advisor after President Trump reassigned Mike Waltz as ...

Trump announced the moves shortly after news broke that Mike Waltz and his deputy Alex Wong were leaving the administration.