Because of our power, they like to test the limits of that power.

It's almost to the point that we need election observers. The limits we have now are almost the same as in a developing society: an economic infrastructure that's been devastated and various factions trying to seize political control and influence.

So those of us interested in lunar helium-3 fusion power are very interested in more precise mapping of hydrogen distribution as a surrogate for helium-3. We hope that the Lunar Reconnaissance Orbiter will provide such information.

There are limits to power, as those who put their hopes in a constitution always discover

The polls are pretty clear that voters want limits on the government's power. This is really an argument not about fighting terrorism but about checks and balances and unbridled government authority.

The polls are pretty clear that voters want limits on the government's power.