The president's relationship with Anthony Fauci, who directs the National Institute of Allergy and Infectious Diseases and has played a very public role in the country's COVID-19 response, has gotten especially rocky. Fauci has expressed concerns about reopening and bluntly contradicted some of the president's boasts about the U.S.'s performance; Trump has responded with derogatory comments; the administration has pulled Fauci off of some media appearances; the two reportedly have not spoken in weeks.