The debate over whether Graham Platner is “working class” comes at a time when more and more people are at risk of falling into it.

The billionaire’s new roots in Argentina are said to be partly motivated by concerns about the future of the United States and shared beliefs with Argentina’s right-wing leader.

© Matias Baglietto/Reuters

Silicon Valley is about to get a lot more liquid. What will it spend its money on?

The carrier has become the country’s most profitable by catering to affluent travelers, but it is facing stiffer competition from United.

© Audra Melton for The New York Times

Silicon Valley’s growth over recent decades has made California rich — and one of the most unequal places in America.

Forget complex schemes. There is an easier way to get revenue from the wealthy.

Box office is waning. Donors are fading. Opera needs new lifeblood. The answer lies with tech fortunes.