<<Some of us know that tension between certainty of faith and ambiguity of life as adulthood.>>
This is the crux of the controversies surrounding Pope Francis.  He is calling us to an adult understanding and expression of our faith; his critics, generally, prefer to infantilize that portion of the People of God who are not clerics.
It's worth noting, too, that Weigel's neo-conservative politics trumped his much vaunted loyalty and devotion to Pope John Paul II.  When Pope John Paul, in what as arguably the most courageous act of his pontificate, stood against the gathering storm of an illegal and immoral war in Iraq, Weigel treated the pope with the worst form of contempt: condescension: The pope didn't know what he was talking about, but he couldn't help it: he was too old, too Polish, not well-served by his advisors.