The vast majority of folks who watch the "debate" are those who have already made up their minds as to their vote. Rarely does someone watch, hoping to glean some insightful information that will sway their vote. These "debates" are simply media events that supplement the paid political advertisements.
Thus, there is little difference between the baseball viewer and one watching the "debate." Both are pulling for their choice to win. At least in baseball there is a real winner.
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