Senators are expected to ask about her defense of the former government contractor, who released reams of data on U.S.

In the first of two days of hearings, Robert F. Kennedy Jr. said he wasn’t antivaccine as senators pressed on his past ...

Sheryl Gay Stolberg Kennedy opens his statement with a focus on chronic disease being on the rise, saying the United States “has worse health than any other developed nation,” even though it ...