How does Catholicism inform the politics and policy of the U.S. Government?

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President Joe Biden salutes before boarding Air Force One for a trip to visit the National Interagency Fire Center in Boise, Idaho, Monday, Sept. 13, 2021, in Andrews Air Force Base, Md.
( Evan Vucci / AP Photo )
Produced by Katerina Barton
GBH PRX WNYC Studios