Humor is richly rewarding to the person who employs it. It has some value in gaining and holding attention, but it has no persuasive value at all.
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About John Kenneth Galbraith
John Kenneth Galbraith was a 20th-century American american economist and diplomat. John Kenneth Galbraith, also known as J. K. Galbraith or Ken Galbraith, was a Canadian-American economist, diplomat, public official, and intellectual. Read more on Wikipedia →