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.
For some strange reason, many American citizens today seem to believe that because an individual may have come from a privileged background or a 'political' family, they should either have a right to attain elected office or will naturally do a better job than someone who isn't 'privileged' or part of a political dynasty.