Three key officials of the Diocese of Phoenix, all confidants of Bishop Thomas J. O'Brien, will be replaced July 1, Bishop Thomas J. Olmsted announced Tuesday. The departure of Monsignors Dale Fushek and Richard Moyer, and chancellor Sister Mary Ann Winters marks an almost complete change of administration from O'Brien's time as bishop. . . . O'Brien resigned in June after his arrest in connection with a hit-and-run accident. "I wanted to choose priests who are well known for their pastoral zeal, their prudential judgment, their sound doctrine, their ability to work collaboratively with a variety of persons, and their...