The question is, during the debates will he be checked for something like this...
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Not a chance.
Even if he were to wear a device so his staff can talk to him during the debate, it probably won’t matter....
It’s normally somewhat difficult to have someone taking in your ear while you are concentrating and talking about something else...Have you ever had someone try to talk to you while you are on a phone call ?? Same thing...
Given his mental state if someone were talking in his ear to him while debating Trump, it probably would confuse him and make him worse that he already is...