Health Secretary Robert F. Kennedy Jr. faced blistering criticism from Democrats over his vaccine policy and overhaul of federal health agencies at two House committee hearings Thursday. Both hearings were about the proposed budget for the Department of Health and Human Services next year. The department’s funding request includes a $15.8 billion reduction from this year, for a total of $111.1 billion. Kennedy has said he intends to consolidate some of the health agencies within HHS and