*A noble way to spur economic growth* Build a water canal along the US and Mexico borders with high walls on US side.

This border has been a problem for illegal immigration & guns because of the lack of control.
In addition the annual hurricane events in the gulf coast costs the country & insurers billions of dollars every year.
The solution may first sound unreasonable, although given some time may appeal to most people in the country. It surrounds building a water canal between the Pacific Ocean at the San Diego border and Gulf of Mexico in Texas & would roughly follow the border line. It is approximately 2k miles long. After doing research on building such a canal, I estimated that it would roughly cost 200 billion dollars to build.
Funding sources are toll charges for ships as well as tourism.
Follow my blog with tag name "pafraiq" at blogspot to find full details on my plan with research & funding.