Question: For a vacancy on the Supreme Court, why might a president select a judge who has previous experience serving on a federal court over one that has a different legal background? a. The Senate has a long history of denying confirmations to those who do not have that experience. b. The president is obligated to promote other federal judges to vacancies on the Supreme Court. c. Doing so boosts the perception that the nominee is qualified, which speeds along the confirmation. d. The Constitution requires that all nominees to the Supreme Court have such experience.