With lawmakers preparing to vote on a bill blocking parents from skipping vaccinations for their children, prominent vaccine skeptic Robert F. Kennedy Jr. arrived at the Sacramento screening of a film linking autism to the vaccine preservative thimerosal and warned that public health officials cannot be trusted. “They can put anything they want in that vaccine and they have no accountability for it,” said Kennedy, who walked onto and left a Crest Theater stage to standing ovations, of the federal Centers for Disease Control and Prevention. Wednesday afternoon will see the first hearing for a bill eliminating the personal belief...