The president’s use of government power to punish firms is seen by some legal experts as undercutting a basic tenet: the right to a strong legal defense.

A law firm targeted by President Donald Trump over its legal services during the 2016 presidential campaign has sued the federal government over an executive order that seeks to strip its attorneys of security clearances.

Perkins Coie has filed suit against the Trump administration over an executive order that targeted the firm for its work representing Clinton's 2016 campaign.