How America's rich manage their money

Just like us, the rich want to maintain their lifestyle, preserve wealth and have money for their heirs or philanthropy, Karen Blumenthal writes in The Wall Street Journal. And when it comes to investing, there are several ways the rest of us should take a cue from them. Let's look at Sam Walton.

The very wealthy have a plan. Sam Walton's plan started in the early 1950s, when, on the advice of