29K views · 185 reactions | Where did COVID-19 come from? At the moment, it raises more questions than clear answers. President Biden wants U.S. intelligence to determine if the virus jumped from animals to humans or somehow escaped from a lab. @IAmAmnaNawaz and @nickschifrin look at what we know. | PBS NewsHour | Facebook

554K views · 1.2K reactions | WATCH: President Donald Trump told the PBS NewsHour's Lisa Desjardins that his executive order next week "is being tailored to the decision we got" from the Ninth Circuit. | PBS NewsHour | Facebook

On Jan. 28, 1986 — hours after the space shuttle Challenger exploded shortly after its launch — President Ronald Reagan addressed the nation. “We will never forget them, nor the last time we saw them, this morning, as they prepared for their journey and waved goodbye and ‘slipped the surly bonds of earth’ to ‘touch the face of God,'” Reagan said about the seven crew members who died. | PBS NewsHour