Popes cannot change defined Church teachings, only clarify them or make doctrine what is already believed since the early Church. This is true of the moral law.
And Cardinal Wuerl has some encouraging words about the indissolubility of marriage as reported by EWTN HERE.
The Guardian out of GB has an interesting opinion piece by Andrew Brown. Press the title below to go to the link to read it. Personally, I doubt authentic Catholics would go into schism. We wait thinks out. However, I do find Cardinal Pell's homily to traditionalists in Rome last week peculiar, very peculiar. Do you?