The Catholic Church has never been so deeply immersed in crisis - crisis of authority, priestly scandal, celibacy, hierarchy - stretching right up to the Vatican itself.Most people in authority are keeping quiet or squabbling among themselves.Mark Dooley is a Professor of Philosophy who is also a serious commentator, journalist and broadcaster. He has written a book of hope for those who have none.It is, he argues, only when the sacramental life of the local parishes is revitalised that renewal in the Church can be achieved.