True, not everyone is badly paid. In 1968, the head of General Motors received about $4 million in today’s dollars – and that was considered extravagant. But last year Scott Lee Jr., Wal-Mart’s chief executive, was paid $17.5 million. That is, every two weeks Mr. Lee was paid about as much as his average employee will earn in a lifetime.

Italics mine. 

From Paul Krugman’s column in The New York Times