Mass., expresses her belief Robert F. Kennedy, Jr. could "bankrupt vaccine manufacturers" and make money off of that.

Warren pointed out that the government financial disclosures Kennedy filed as part of the confirmation process said he had made $2.5 million from a law firm that has sued vaccine manufacturers.

If he's put in charge of Health and Human Services, he has a whole tool box of ways that he very quietly can undermine vaccines and vaccine manufacturers—and he can get rich doing it.”