The Constitution gives the Senate the power to advise and consent. That body is empowered to say no as well as yes. And the most important qualification for office is philosophical. Put simply: Does the nominee believe the Constitution means anything apart from the jurists' personal preferences? If not, then the Senate should reject the nomination.
If the Jeff Davis Highway is renamed, I certainly will not shed a tear, but the symbolism of such a renaming is meaningless unless it is followed by concrete action tackling today's racial disparities. History should not be allowed to weigh us down and distract us from the issues and problems of our time.