Did you hear that the Vatican has released "New Sins"? It's not really that sensational.
The Vatican is rightly teaching about new realities in the modern world: That the division between the super-wealthy and the poor is growing and is unjust. That the gap between those who have and those who have nothing is not growing smaller.
For a full, objective treatment of the Vatican's teaching, check out :
CNS STORY: Social effects of sin greater than ever, says Vatican official