He said the pope can “talk about whatever he wants” but that taking a position on climate change might not be the best use of his moral authority.
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Republican presidential candidate Rick Santorum, a practicing Catholic, on Sunday defended his criticism ‎of Pope Francis weighing in on global warming, saying “there are more pressing problems on Earth” for the pontiff to be tackling.

The former Pennsylvania senator on “Fox News Sunday” also argued that it’s more appropriate for him and other lawmakers than the pope to speak publicly on the issue because they make public policy decisions that affect American workers.