This is approval rating among people who answer the phone and stay on the line for poll questions. Lots of Trump voters don't do that...including me. Why would we?
The "Trump acts in a way that is presidential" is a useless question to predict the election. I would obviously answer "no" to that question, but that only matters to voters who don't have important issues they weigh. A major pro-choicer would vote for Trump if he were a Dem pro-choicer, just for example, even if he is highly unpresidential. I guess it is an interesting academic question, though, for historians.
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