A troubling sign of our divided political times is that even the treatment of COVID-19 has become a weapon in partisan fighting and political one-upmanship. That was never more true than this week, when the Biden administration’s Department of Health and Human Services took control of the distribution to states of monoclonal antibodies — a treatment that has proved effective in limiting the severity of and hospitalizations from COVID-19. As Doug McKelway reports, some Republican governors suspect political payback is behind the change in policy.