Border security; My solutions to securing the border

The Walt Blackman Show

Securing our border with Mexico—the main crossing for undocumented immigrants into the United States—is a vexing challenge. Technology—in the form of a “virtual fence” of sensors, cameras, motion detectors, and other sophisticated equipment—is considered of utmost importance in stemming illegal immigration. But problems have plagued the effort for more than two decades, raising questions about whether it can be done effectively.

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