Moment Joe Biden shakes hands with thin air after speech

Joe Biden was left empty-handed as he appeared to shake hands with thin air after a speech on the United State’s ongoing supply chain woes.

The 79-year-old President had just finished delivering a nearly 40-minute speech in Greensboro, North Carolina, when he turned to his right and stuck out his hand, despite being alone on the stage.

A number of his political adversaries, including Republic Senator Ted Cruz, seized on Mr Biden’s latest gaffe, using it to question his cognitive state.

Footage of the moment, shared by millions on social media, showed the gaffe-prone President turn to his right, before he appeared to say something into empty space while miming a handshake.

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