Dateline NBCSix survivors of the 2012 Costa Concordia shipwreck off the coast of an Italian resort island share their stories.
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Dateline NBCSix survivors of the 2012 Costa Concordia shipwreck off the coast of an Italian resort island share their stories.0Dateline NBCMichael Peterson, who was granted a new trial after the 2003 conviction in the murder of his wife was overturned, discusses the case and his decision to enter an Alford plea.