The Dean of the College of Cardinals, or Cardinal-dean, is the primus inter pares of the College of Cardinals, elected by the cardinal bishops holding suburbicarian sees from among their own number, an election, however, that must be approved by <answer>the Pope</answer>. Formerly the position of dean belonged by right to the longest-serving of the cardinal bishops.
In the College of Cardinals, the elected Dean needs the approval of who?
the Pope