Six cases of a rare blood clotting disorder have led U.S. health officials to pause the use of Johnson & Johnson's Covid-19 vaccine. Though it's not known if the vaccine is behind the blood clotting, WSJ's Jonathan D. Rockoff says the pause could impact efforts to vaccinate the country.

As the country watches the trial of the police officer charged with the murder of George Floyd, Minneapolis is reeling from the killing of another unarmed Black man by police in a nearby suburb. WSJ's Erin Ailworth describes the tension on the ground.

With the launch of her latest investment fund, Cathie Wood is betting big on outer space. But it's not the first time she's backed a nascent industry. WSJ's Michael Wursthorn says she's become a star investor by backing innovative companies, delighting investors and attracting critics along the way.