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Pope Francis holds a crucifix as he celebrates the Good Friday Passion of Christ Mass inside St. Peter's Basilica, at the Vatican, on Friday. Andrew Medichini/AP hide caption

In this 1972 archival photo, host Linda Wertheimer holds a grease pencil to mark audio tape for editing. The term "blading" refers to when cuts to tape were made manually via razor blade. NPR Archives hide caption

NPR's newsroom during election coverage on Nov. 8, 2016. Stephen Voss/NPR hide caption

The NPR newsroom by race and ethnicity as of Oct. 31, 2017. NPR hide caption

President Donald Trump presides over a meeting about immigration with Republican and Democrat members of Congress, including (L-R) Senate Majority Whip John Cornyn (R-TX), Rep. Martha McSally (R-AZ), Senate Minority Whip Richard Durbin (D-IL), House Minority Whip Steny Hoyer (D-MD), House Majority Leader Kevin McCarthy (R-CA) and Sen. James Lankford (R-OK) at the White House on Tuesday. Chip Somodevilla/Getty Images hide caption

Congressional Democrats, including House Minority Leader Nancy Pelosi (D-CA) and Senate Minority Leader Chuck Schumer (D-NY), and Sen. Bernie Sanders (I-VT) hold a news conference critical of the Republican tax and budget plan at the U.S. Capitol Oct. 4, 2017 in which they called on President Trump to keep his campaign promises to not cut entitlement programs like Social Security and Medicaid. Chip Somodevilla/Getty Images hide caption

The final bracket shows the top political stories of 2017, as voted on by NPR listeners and readers. Domenico Montanaro hide caption

In a recent StoryCorps piece, Greg Gibson (right) speaks with Wayne Lo (left) who was convicted in the 1992 killing of Gibson's son and one other person. StoryCorps hide caption

NPR acquired the Spanish-language podcast Radio Ambulante, hosted by Daniel Alarcón, in 2016. Photo Courtesy of Radio Ambulante hide caption