The Smithsonian Institution on Monday emphasized its “nonpartisan stature” and said “all personnel decisions” are made by its secretary more than a week after President Donald Trump said he would remove the director of the National Portrait Gallery.

The Smithsonian is challenging the president’s authority to dismiss the leader of the National Portrait Gallery but says it will look into his complaints.

The Smithsonian Institution on Monday emphasized its “nonpartisan stature” and said “all personnel decisions” are made by its secretary more than a week after President Donald…