An earthquake Saturday brought devastation to Haiti. Landslides have made major roads impassable for aid groups. Hospitals in southern Haiti are overwhelmed and thousands are sheltering in the streets or on soccer fields. Tropical depression Grace could trigger flash flooding and landslides. William Brangham speaks to Akim Kikonda, the Haiti country representative for Catholic Relief Services. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders