RFK Jr. rushes to mute microphone after aide appears to point out his huffing and heaving admin 2 days ago USA Update Comments Off on RFK Jr. rushes to mute microphone after aide appears to point out his huffing and heaving 0 Views RFK Jr. suffers from spasmodic dysphonia, a rare neurological disorder that causes spasms in the vocal chords. Share Facebook Twitter Stumbleupon LinkedIn Pinterest