Federal district court judges

a. manage to favor the ideological preferences of the President who appointed them.
b. are unable to favor the ideological preferences of the President who appointed them because their opinions are constrained by the appeals court and the Supreme Court.
c. are not required to be confirmed by the U.S. Senate.
d. are normally tapped to chair the subcommittee hearings for the House Judiciary Committee.

a. manage to favor the ideological preferences of the President who appointed them.