Dr. Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases, lashed out at Fox News Channel star Tucker Carlson Friday, appearing to suggest the primetime host is to blame for several death threats. “I flip around the channels at night, which I probably shouldn’t. And I found this guy — you know this guy, Tucker Carlson? You heard of him?” The Washington Post’s Geoff Edgers asked Fauci in a Friday interview.