High schoolers are appealing to other health-conscious kids online, sometimes by expressing views in line with the “Make America Healthy Again” movement.

At the annual meeting of Berkshire Hathaway, known as “Woodstock for capitalists,” many wept at the departure of a singular figure in the business world.

Global wariness of Chinese solar and E.V. domination offers India an opening. The government is spending money to try to catch up, but it has a long way to go.