A huge international study of a COVID-19 vaccine that aims to work with just one dose is getting underway as top U.S. health officials sought Wednesday to assure a skeptical Congress and public that they can trust any shots the government ultimately approves.
Alex Brandon, AP/Pool
Former President Bill Clinton paid his respects as Justice Ruth Bader Ginsburg's casket lay in repose outside the U.S. Supreme Court.
Chief Justice John Roberts says the words that best describe the late Justice Ruth Bader Ginsburg are "tough, brave, a fighter, a winner" but also "thoughtful, careful, compassionate, honest."
02:09Flags were planted in the grounds near the Washington Monument Tuesday to mark the grim milestone of 200,000 people dead from the coronavirus in the United States.
