Trump Farms

Futurists now predict that when Earth's population reaches ten billion, the remaining productive farmland will be insufficient to feed everyone. (We're already well beyond six billion, so reaching ten won't take long.) One proposed "solution" is vertical (hi-rise) farming. Wouldn't it make more sense, by any conceivable rational parameter, to limit the population?!

If we keep swapping farmland for "ratables," the U.S. will become as dependent on others for food as we are now for fuel.