How billionaires like Jeff Bezos, Elon Musk, and Warren Buffett pay so little in income tax compared to their massive wealth—sometimes, even nothing.

At the annual meeting of Berkshire Hathaway in Omaha.

Can The Washington Post be saved?

How Warren Buffett’s public image has aided his success.

As a successful investor, he merely moved markets; but as the charismatic, reassuring, quotable prototype of the honest capitalist (a sort of J. P. Morgan with a moral sense), he's capable of influencing elections, galvanizing rock-concert-size crowds, and in general defining how we Americans feel about the system that underlies our wealth.