article_snippet.sent: Vaccine critic: RFK Jr spoke at a documentary screening in Sacramento, California California on Tuesday.
article_snippet.sent: RFK Jr is a vaccine critic and is currently trying to stop a bill in the state that would make childhood immunizations mandatory .
article_snippet.sent: RFK Jr sparked controversy Tuesday when RFK Jr compared childhood vaccinations to a holocaust.
highlights_snippet.sent: RFK Jr is a vaccine skeptic and believes there is a connection between an immunization chemical called thimerosal and autism .
  