Timothy Dolan came to town with a hammer in his hand. Of course, it wasn’t really much of hammer: just a little tappity-tap kind of thing, a tack hammer with a bright blue head, which he used it to rap on the door of St. Patrick’s Cathedral as part of the traditional ceremony for the installation of a new archbishop in New York. That was back on April 15, the Wednesday before Easter. In the six months since, Archbishop Dolan has done hardly any public hammering — until now. On Oct. 29 he used the archdiocese’s website to publish a...