While mostly symbolic, the move to revoke security clearances for over a dozen former officials has been seen as a warning to President Trump's adversaries.

Rep. Nancy Mace Saturday defended President Donald Trump's decision to revoke the security clearances of several political adversaries, including Joe Biden.

President Donald Trump has revoked the security clearance of former President Joe Biden, former Vice President Kamala Harris, former Secretary of State Hillary Clinton, and several others. The presidential directive,