104K views · 2.7K reactions | Distribution of the COVID-19 vaccine developed by Pfizer is underway in the United States. Shipments of the vaccine will set in motion the biggest vaccination effort in American history. | NPR | Facebook

233K views · 2.5K reactions | One of the biggest moments of Night 2 of the Democratic debates came when Kamala Harris repeatedly asked Joe Biden whether he regretted opposing federal busing policies during the early years of his Senate career. Biden notably bristled. Watch: | NPR | Facebook

Latin America is dealing with a refugee crisis that's larger than anyone in the area has seen before. NPR's Ari Shapiro reports from the border between Venezuela and Colombia. | NPR