Time: When we talk about the challenge of ending hunger and feeding a growing global population, most of the focus is put on increasing production. That`s not surprising -- "more" is our solution to most social problems. But some of the hunger gap could be closed by making better use of the crops we do produce now. Take plant pests and diseases, which have historically laid waste to whole harvests. The Irish potato famine of the 1840s -- caused by the oomycete Phytophthora infestans -- led to the deaths...