Muslim, his name is Sadiq Khan
Brett Kavanaugh is a former White House staff secretary and he is also an American lawyer and jurist who serves as a United States Circuit Judge of the United States Court of Appeals for the district of the Columbia Circuit.
There are none, everybody is treated equally racial wise.
The main purpose of the Department of State (also known as the State Department) is "<span>c. to serve the President as an advising body on issues of foreign state relations," since this would be impossible for the President to do by himself. </span>