Opinion: Trump's Covid-19 vaccine sales pitch is all sizzle and no steak

More than 80 years ago, the American salesman extraordinaire, Elmer Wheeler, introduced his "Five Wheeler Points" to help his brethren boost sales of whatever it was they were selling. The first Point, later immortalized by an episode of Seinfeld , was this: "don't sell the steak -- sell the sizzle."

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