Susannah Flood, seated, and fellow cast members in “Liberation.”

For Dr. Alister Martin, New York City’s new health commissioner, keeping New Yorkers insured could prove to be the main challenge of his tenure.

The presidential walk of fame, the latest addition to the White House, seen at the White House on Wednesday.

A Transportation Security Administration checkpoint at O’Hare International Airport in Chicago last week on the first day of the government shutdown.

President Trump speaking to reporters this week. He has reveled in a threat to target what he called “Democrat Agencies” for temporary and permanent cuts.

The only hospital in Martin County, N.C., closed two years ago.

Bill Gates said that Elon Musk had gutted the U.S. Agency for International Development, resulting in the deaths of children in some of the world’s poorest countries.

“I think it’s objective to say to you that things will be better in the next 20 years.”

Bill Gates and George Osborne, Britain’s chancellor of the Exchequer, at an event in Liverpool in 2016 announcing funding for a program aimed at reducing deaths from malaria.

Archip Lobo, a founder of a Congolese microgrid company.