There is one instructive universal historic fact: No president has left office with the country using less energy than when he was first inaugurated, although Bush (43) came close due to the recession.

FORBES: The Efficacy Of Presidential Energy Policy

The assault on Mount Dow's summit -- yes, it's a summit or close to one -- was instructive.

FORBES: Dow 10,000 -- in 2005

They found that one of Gates' most instructive traits--his clarity of vision--has been evident since adolescence.

FORBES: Magazine Article

It is instructive that no one can provide a comprehensive or accurate accounting of how much aid has been committed or delivered to the former Soviet Union and what became of the aid and credit flows that did arrive.

CENTERFORSECURITYPOLICY: Center For Security Policy

Since recessions are important economic events and the potential for a rare double-dip is on the minds of investors, we thought it might be instructive to look at one of the best models we have for predicting recessions.

FORBES: Double-Dip Yes, But Bullish Just The Same

Short, extremely instructive collection of economic observations by one of America's most insightful economists.

FORBES: Fact and Comment

While his choices for secretary of state, defence secretary and CIA director will have separate hearings, it would actually be more instructive to put them all in one room since, in today's world, national security is the ultimate team sport.

BBC: Obama national security team's inbox of problems

One case we learned about last week, however, is probably instructive.

CENTERFORSECURITYPOLICY: Here's hoping