Secretary of State Marco Rubio has ordered diplomatic correspondence to stop using the Calibri font and return to the more traditional Times New Roman effective Wednesday, reversing a Biden administration shift to the less formal typeface that he called wasteful, confusing and unbefitting the dignity of U.S. government documents.
The real professional American font family is Century: https://en.wikipedia.org/wiki/Century_type_family
that’s what the Supreme Court uses and TeX’s Computer Modern shares a familial resemblance to.