USDA's Rollins called screwworm a 'little pest' amid U.S. spread. Last year, she called it 'terrifying'

Agriculture Secretary Brooke Rollins told CNBC on Monday that the new world screwworm is a "little pest." In the past, she called the parasite "terrifying." The discrepancy in messaging before and after the flesh-eating pest was detected in the U.S. offers a window into how Rollins is managing the screwworm threat now that it has reached inside the border. …