Libertarian vs Authoritarian: These core principles might seem banal to an older generation. But they need repeating now as too many voices preach that America is either a colonialist oppressor (the left) or a debased culture no longer worthy of admiration (the right). Mr. Rubio also honored Kirk’s message, particularly to young men, that the “highest calling we are called to is to be in a successful marriage and to raise productive children.”