http://www.aleteia.org/en/religion/article/top-official-of-synod-on-the-family-counters-conservatives-arguments-5250287669346304
Until it eventually "evolves" into a complete contradiction of itself (e.g. Kasper's little plan to scratch adultery off the list of sins).
Makes perfect sense if you press the "I believe" button and check your brain at the door.