Jeff Bezos, the founder of Amazon and the owner of The Washington Post, did not become the world’s richest man by refusing to do what it takes to win. And now that he finds himself in a mud fight with the supermarket tabloid that exposed his extramarital affair, he is showing off the same drive that helped him turn a simple idea — selling books on the internet — into an all-purpose, $780 billion powerhouse.
Mr. Bezos has risked significant personal embarrassment in taking on American Media Inc., the company that owns The National Enquirer, which last month devoted 11 pages