When it comes to abortion, hunger, war, immigrants who drown, the sick and the environment, "it is wrong to look the other way or remain silent," Francis said.
During the Mass celebrated at Basilica of the National Shrine of the Immaculate Conception in Washington, D.C., Junipero Serra became the first saint canonized on U.S. soil.
Calling them "four representatives of the American people," Pope Francis lauded Dorothy Day and Thomas Merton alongside Martin Luther King Jr. and Abraham Lincoln.
In case you missed it: The full audio of Pope Francis' speech to a joint meeting of Congress, paired with his prepared remarks and analysis from Morning Edition.
In a speech before a joint meeting of Congress, the Catholic Church leader offered words threaded heavily with politics. For analysis, Renee Montagne speaks with NPR's Don Gonyea.
What does it mean to U.S. politicians when the Pope calls for an end to income inequality, an attack on Climate Change and respect for religious freedom? Renee Montagne asks NPR's Tom Gjelten.
After being made available for free online, they're now fetching $150. The sellers apparently missed Francis' sermon this summer calling the "unfettered pursuit of money" the "dung of the devil."
Pope Francis is ditching the limo while visiting Washington, D.C. He rode in a Fiat yesterday and will be driving around town in a modified Jeep Wrangler.
NPR's Kelly McEvers asks people waiting at the Basilica of the National Shrine of the Immaculate Conception: How has your thinking about the Church changed since Francis became Pope?"
Pope Francis canonized the United States' first saint, Junipero Serra, on Wednesday. The controversial Spanish missionary founded Catholic missions in California in the 18th century.