Dr. Anthony Fauci is refusing to voluntarily testify before a second Senate panel as lawmakers press deeper into the federal government's handling of COVID-19.

Dr. Anthony Fauci is refusing to voluntarily testify before a second Senate panel as lawmakers press deeper into the federal government's handling of COVID-19. Fauci's attorney rejected Sen. Ron Johnson's request, arguing that forcing the former public health official to testify again would "imperm…