Mixin This did not go unnoticed and someone made a short clip. Rubio reached into his pocket for whatever he popped into his mouth. He seemed to swallow it without chewing it so it was probably not a mint. Some of the commenters think he takes Adderall. They say dry mouth and sweating are side effects. Trump sure hammers on it a lot. https://www.youtube.com/watch?v=TPm0Zz31bFI (Direct link to video)