FILE — A member of the United States military prepares doses of the Pfizer-BioNTech COVID-19 vaccine at New Jersey Institute of Technology in Newark, N.J., on June 19, 2021. “I worry that by dragging the vaccines further into the partisan mire, Biden’s slip-up will cause long-term damage in the effort to get Americans to trust these miraculous shots,” writes The New York Times opinion columnist Farhad Manjoo. (Bryan Anselm/The New York Times)