What makes a president presidential? From communication research we know it comes from credibility defined largely by expertise, trust, conviction, comfort and something called homophily (perceived similarity).
President Obama's expertise gaps occasionally show. For a while he was blaming the past - the economic burden left to him by an irresponsible prior administration. That comes up now and then, but he's moved on. He is more informed now and it shows.
With regard to trust, he...
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