Yesterday’s big news out of the Synod of Bishops really did come from outside, i.e., it didn’t emanate from within the Paul VI Audience Hall where the event is taking place, but rather from someone who isn’t even there: 91-year-old Cardinal Joseph Zen, the retired Bishop of Hong Kong, whose Sept. 21 critical letter made the rounds of various Catholic news outlets. Officially speaking, the only news from inside the synod yesterday came from Italian layman Paolo Ruffini…