As the war in Yemen enters its fourth year, the statistics of humanitarian crisis are staggering: 22 million people are without enough food to eat, a child dies every ten minutes from preventable causes, and almost one tenth of the population have had to flee their homes. An outbreak of preventable and largely eradicated diseases has overwhelmed an already buckling health system as Yemen inches closer to becoming a failed state. However, despite the catastrophic effects of the war on civilians and the support for the war by the United States and other world powers, coverage of the conflict has been minimal. Marcia Biggs travels to Yemen for PBS NewsHour to shed light on what has become the world's worst humanitarian crisis, what some have called "The Forgotten War."