Charles+

I'd say the last paragraph of the article sheds a bit of light on why no
American bishops were appointed to the Congregation.

MLW+

> Now, according to the Pope's 1988 apostolic constitution "Pastor
> Bonus," "the duty proper to the Congregation for the Doctrine of
> the Faith is to promote and safeguard the doctrine on the faith
> and morals throughout the Catholic world: for this reason
> everything which in any way touches such matters falls within its
> competence."