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.
Local governments say the move to cover preventive health care for people who are in the country illegally will save money overall by reducing the high cost of emergency room visits.
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.
At the annual Schools for Tomorrow conference in New York, some themes stood out: college graduation rates, training teachers and doing more for low-income, high-achieving students.