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pope francis global warming santorum intv erin _00032119
pope francis global warming santorum intv erin _00032119

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    Rick Santorum: 'Clearly the Earth has warmed'

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Rick Santorum: 'Clearly the Earth has warmed'

Erin Burnett speaks with GOP presidential candidate Rick Santorum about Pope Francis' plans to address climate change -- linking it to human activity.

Rick Santorum: 'Clearly the Earth has warmed'

Erin Burnett speaks with GOP presidential candidate Rick Santorum about Pope Francis' plans to address climate change -- linking it to human activity.