NPR has learned that the Census Bureau will end door-knocking efforts one month before previously scheduled. NPR’s Hansi Lo Wang explains the implications of that move. Also, governments and biotech companies worldwide are racing to develop a vaccine for COVID-19. It’s the kind of practical application of basic science that Ilan Gur, CEO of the tech fellowship program Activate, says the U.S. used to lead the world in. But he says, the U.S. “fell asleep at the wheel.“