The interstate highway system wasn't built in the name of convenience or even commerce. When President Dwight D. Eisenhower signed the Federal Aid Highway Act of 1956, he did it in the name of national security. In fact, the official name of the system is the Dwight D. Eisenhower National System of Interstate and Defense Highways. Now some in the Trump administration are arguing that the federal government should build a broadband wireless network for much the same reason.

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