Pope Francis' visit to Washington marks the 29th time a pope has sat down for a meeting with a president of the United States. As usual, politics will provide the backdrop.
In the South, unions have faced an especially tough battle. Still, organizers keep trying. United Auto Workers is trying to win a vote by workers at a factory in Piedmont, Ala., on Wednesday.
Pope Francis has deliberately worked to change the tone of the Catholic church on social positions, climate change, economics and migrant issues in a way that electrified Catholics and non-Catholics.
The decision to keep the bird off the Endangered Species List is celebrated by those out West who worried it would cost them billions of dollars. But challenges to the decision are already emerging.
NPR's Don Gonyea discusses the relationship between popes and presidents with Renee Montagne. They also have the latest news on Pope Francis' remarks at the White House on Wednesday.
On a beautiful sunny day, in front of a massive crowd, President Obama greeted Pope Francis at the White House. For more details, Renee Montagne speaks with NPR's Scott Horsley at the White House.