The president named Todd Blanche, the deputy attorney general, as the acting librarian. But staff members refused access to two department officials he chose for key roles at Congress’s main research arm.

Congress should have that power, not the president, some say, after Trump removed Library of Congress head Carla Hayden from her post.

The Trump admin is trying to take over the Library of Congress, "a major component of the legislative branch" that confidentially advises lawmakers