For many experts, Health Secretary Robert F. Kennedy Jr.'s promise for "pulling back the curtain" to find autism's causes in a few months is jarring — and unrealistic.

For many experts, Health Secretary Robert F. Kennedy Jr.’s promise for “pulling back the curtain” to find autism’s causes in a few months is jarring — and unrealistic.

Twenty-one agency leaders, health industry professionals, disability advocates and others will look to contain Medicaid ...