Biden: Costing Barack the Catholic Vote

This blog seems to be picking up on the split between Joe Biden and Catholics.  I am not a Catholic and don’t pretend to know the inner workings of the Catholic Church. 

Article: Biden losing the Catholic vote for Obama

The abortion issue rings loud and resoundingly as a critical issue for people of faith.  Can you be pro-abortion and true to your religion becomes the question.  What do you think?  Should someone who says they are a Christian but supports abortion and partial birth abortion be given serious consideration for your vote.  Is the issue important in your decision making?