COMMENTARY: Place your bets on humanity

Stanford biologist Paul Ehrlich passed away in March at age 93. Fortunately, he lived long enough to see his most famous predictions proven wrong. In 1968, he and his wife, Anne, wrote the bestselling “The Population Bomb,” a book that opened with a startling claim: “The battle to feed all of humanity is over. In the 1970s, hundreds of millions of people will starve to death.”