The good-natured camaraderie between Kernen and Quintanilla is, in part, what the hundreds of thousands of viewers who watch Squawk Box each weekday morning (6-9 a.m. Eastern time) tune in to watch. Three hours of live TV, turning on the proverbial dime to a CEO here, a government official there and sometimes even a celebrity investor, can be both exhausting and exhilarating, and a brotherly sense of humor can be the WD-40 that makes it all work.
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