The third lesson is that incumbents almost always win when the economy is doing well.

ECONOMIST: Al Gore��s chances

The third lesson from the Goldstone experience is that people make up governments and people make policies.

CENTERFORSECURITYPOLICY: Richard Goldstone and Palestinian statehood

The third lesson is that central banks will quickly intervene if they fear the markets are in crisis.

ECONOMIST: Buttonwood

The third lesson reflected both of their relentless drives for perfection, which included taking a scientific approach to experimentation and market feedback.

FORBES: What Steve Jobs Learned From Edwin Land of Polaroid

The third lesson is that innovation is the essence of global success.

ECONOMIST: Schumpeter

Olmert's and Livni's reason for rejecting the one strategy that would have brought Israel victory is explained by the third lesson of the war.

CENTERFORSECURITYPOLICY: The Path to the Next Lebanon War

The third lesson concerns Lord Mandelson.

ECONOMIST: Bagehot

This gets to the third important lesson for startups: be generous to your users.

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Whether Republican, Democrat, third-party or independent, the lesson here is that cloud computing will be more and more of an essential tool to campaign organizations in elections to come.

FORBES: How a 2012 Presidential Campaign Ran on Amazon's Cloud

Was not a primary lesson of the past, from Prussia to Weimar and the Third Reich, that the army must never show force inside Germany?

ECONOMIST: Germany��s army

The children's mother, Marina Krim, found them in their flat on the Upper West Side of New York's Manhattan borough after picking up her third child from a swimming lesson.

BBC: NYC nanny Yoselyn Ortega found fit for murder trial