Pope Benedict XVI walks in front the crib as he attends the Christmas night mass at the St. Peter's Basilica on December 24, 2012 in Vatican City.
 Pope Benedict XVI walks in front the crib as he attends the Christmas night mass at the St. Peter's Basilica on December 24, 2012 in Vatican City.

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Church divided over pope's legacy

Erin Burnett talks to Sister Simone Campbell and Brian Finnerty about the pope's resignation.

Church divided over pope's legacy

Erin Burnett talks to Sister Simone Campbell and Brian Finnerty about the pope's resignation.