he sold the newspaper his family had owned since 1933 to a tech billionaire, Amazon’s Jeff Bezos. The Post’s sleek new offices were no longer festooned with the famous front page “Nixon Resigns” from Watergate days. They were dominated by flat-screens displaying real-time traffic statistics on how many readers were looking at each story. Prominent was a Bezos mantra, in blue and white: “What’s dangerous is not to evolve.”