Health and Human Services Secretary Robert F. Kennedy Jr. is facing intense scrutiny after announcing that his agency is officially investigating “chemtrails”. While scientists emphasize that the lines in the sky are harmless water vapor, the nation’s top health official claims aircraft emissions are secretly masking toxic chemicals—bringing a long-debunked conspiracy theory straight into federal policy. Dr. Debra Houry, a former chief medical officer at the CDC who resigned in protest over Secretary Kennedy’s actions and decisions, tells Erin Burnett RFK, Jr. needs to focus on real contributions to chronic disease, not conspiracy theories.