We've already heard a number of good ideas, and I know we'll learn of many more.

WHITEHOUSE: Job Creation and Economic Growth

But often it's good, it's spirited because I learn something when I debate.

NPR: Does Partisanship Have Its Place in Politics?

Through this exposure, their own immune systems learn the difference between good and bad bacteria -- i.e. what to fight off and what to use.

CNN: Where do allergies come from?

Frankly, that represents the only route to an England win that I can see and I only hope that Pietersen's men have had the good sense to learn from the object lesson that they have been dealt by an outstanding one-day team.

BBC: Jonathan Agnew column

To learn about where investors should look for relatively good returns, I recently talked to seasoned Asia hand Danny L. Lee, a managing director at Bain Capital Asia.

FORBES: Year Of The Snake Investment Guide: Bain Capital Casts A Wide Net In China

This is a brief peek into what I hope will eventually be a more detailed report on this emerging area from which we can all learn a good deal.

FORBES: Constellation Research Group's Maturity Model for Social Business

One reason I think public charters are a good idea (at least in theory) is that they can help traditional public schools learn through experimentation.

FORBES: The Value of Hopeful Skepticism in the Education Reform Debate