DAVID LEONHARDT

A behind-the-scenes look at teenagers’ use of social media.

How the president talks about the world is changing.

A Times investigation looked into the exploitation of young migrants.

The action by the United Auto Workers is part of a burst of labor activism attempting to reverse a decades-long trend.

An antitrust trial is the most significant attempt in decades to undo the Bork consensus.

The Republican Party’s advantage is shrinking in the Electoral College.

A new look at economic diversity in higher education.

What’s behind the shift in the Democratic Party’s economic policy?

Attendance at school has come to feel more optional than it did before the pandemic.

We offer a guide to fall vaccine shots.