• At U.S. airports, passengers returning from Europe describe long waits, big crowds and confusion.
• President Trump tests negative for the coronavirus.
• Spain moves toward a nationwide lockdown and France closes most businesses.
• New York, Louisiana and Virginia have reported their first deaths from the virus.
• Your home dynamics have changed. Here’s how to manage the shift.
• Chinese journalists push back against a crackdown on virus coverage.
• Israel turns to digital surveillance of the infected, and many countries tighten restrictions.