I've studied it for years, and I'm still not sure I understand it.

WSJ: Angelina Jolie as Film Director, Promoter

As some readers may know, I've studied people's attitudes about the American Dream at length.

FORBES: Fewer people in the U.S. believe they will ever achieve it.

Over the past five years I've studied businesses and helped them change in financial services, textiles, construction and technology.

FORBES: Leadership

I've studied the Board's report.

CNN: Iran-Contra Affair

I've twice studied the North Pacific Gyre with Captain Charles Moore of the Algalita Marine Research Foundation.

CNN: STORY HIGHLIGHTS