Climate change is accelerating the erosion of beaches around the world, according to a recent study. We talk with the lead author of the study, which found that as many as half of the world's sandy shorelines could disappear by the end of the century. Also, the U.S. now has more than 200 cases of COVID-19, public health officials confirmed on Friday. We speak with Carl Goldman, who is in quarantine after testing positive for the novel coronavirus.