"The principal thing we have to do is protect public health, " he said.

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"The board did the right thing in preserving the principal of having nine at-large seats, " said Common Cause's Simon.

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Mr. Stern "was the principal, and he was the guy who orchestrated the whole thing, " Mr. Wallenstein said.

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More work is needed on the measuring side, but I believe the problem is in principal solvable, once we agree on what is the right thing to measure, namely, inspiring a capability for lifelong learning.

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The nice thing about I Bonds is that, unlike market-traded bonds, your principal is absolutely steady--it does not fluctuate with the level of interest rates.

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