The late Senior Senator from Arizona John McCain wrote that:
Human rights exist above the state and beyond history. They cannot be rescinded by one government any more than they can be granted by another. They inhabit the human heart, and from there, though they may be abridged, they can never be extinguished.
He was considered a “maverick”, because he sometimes voted against his party, when conscience—or his primary allegiance to the Constitution and the People of the United States—required him to. Honorable service requires recognizing that some things are more important than political parties.