FOYA, Liberia —The Ebola virus, which has killed more than 2,830 Liberians and collapsed the country’s health-care system, is also attacking Liberia’s food supply, bringing intermittent hunger to a wide swath of this country even as its 4.1 million people try to survive the epidemic. As Ebola Takes Lives in Liberia, It Leaves Hunger in Its Wake by Thavam Ratna