Original sentence: From 1967 to 1968, Hallinan, who was ill, was assisted in the governance of the archdiocese by his protégée and auxiliary bishop, Joseph Bernardin, who would later become Cardinal Archbishop of Chicago
Edited sentence: From 1967 to 1968, Hallinan, who was ill, was assisted in the governance of the archdiocese by his protégé and auxiliary bishop, Joseph Bernardin, who would later become Cardinal Archbishop of Chicago