Larry Ellison spent $500 million on his grand plan to feed the world by growing lettuce on his private island in Hawaii. Forget the world; the Oracle billionaire’s plan has been an utter failure, as his space-age greenhouses have barely managed to supply produce to nearby islands.
byLarry Ellison, best known as Oracle’s co-founder and the world’s fourth-richest man according to Forbes, poured over half a billion dollars into an ambitious…