Staffers douse Tennessee Gov. Bill Haslam and his wife, Crissy, with cold water on the steps of the state Capitol in Nashville, Tenn., earlier today. The Haslams were participating in the ice bucket challenge to support research into amyotrophic lateral sclerosis, or ALS, also known as Lou Gehrig's disease. (AP Photo/Erik Schelzig)

Question: Why do you think this fundraiser has taken the nation by storm?

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