The U.S. population is past 300 million headed for 350 million, due largely to immigration, legal and illegal.

After WWII the U.S. population was 150 million. Had we stabilized it at that level we would need half as much oil, gas, electricity, water, fertilizer etc. Our roads would be half as crowded. We would have more natural forests and grasslands. We would have large areas of farmland in reserve for use during drought, volcanic eruptions etc. Our global warming impact would be half what it is now.

The U.S. calls itself a super power, but if you look at a globe you will see that it is not big enough to be the world's safety valve, or even North America's safety valve.

The best way to stop the wall is to present a more effective solution that will actually work. For example;

Throw people in jail for hiring illegals.  

A national ID card and driver's license.

Require people to pay the full first generation cost of having more than two children.

Looks like GW is ahead on using that new fangled technology:

http://ap.google.com/article/ALeqM5jE_bOUpQb6MxrxSQno3N6g ...

WASHINGTON (AP) -- The government has approved the first "virtual" fence along the U.S.-Mexico border in Arizona, a 28-mile stretch of technology that will use radars and surveillance cameras to try to catch people entering the country illegally.

The Bush administration also plans to use some of the technology in other parts of Arizona and in Texas.

Homeland Security Secretary Michael Chertoff planned to announce his approval of the virtual fence, built by the Boeing Co., on Friday.