Robert F. Kennedy Jr., who's nominated to become the next health secretary, asked the federal government to revoke its authorization of all COVID-19 vaccines in May 2021, just as vaccinated Americans began returning to a sense of normalcy after pandemic lockdowns.

In May 2021, just six months after the rollout of the Covid vaccine, Robert F. Kennedy Junior tried to stop all coronavirus vaccinations in the U.S., the New York Times reports. Sen. Ed Markey joins to discuss that and more.

Robert F. Kennedy Jr. petitioned the FDA to revoke its authorization for the Covid-19 vaccine just six months after it was made available.