The Neural Dust clip indicates a small implant under the skin as a transmitter/receiver to link to another implant in the brain.
Who has something on their head that looks like small bulge with a short wire attached.
Who has also got what appears to be a scar down the side of his head.
Who in the political arena over the last year or so has exhibited strange neurological episodes.
BO, HRC, Mcstain, & others