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What is the ALS Ice Bucket Challenge? Plus, See Justin Timberlake, Jimmy Fallon, and Martha Stewart Take It On! - Parade
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Matt Lauer follows through with 'ice bucket challenge,' calls out Brian Williams, Martha Stewart, Howard Stern to join the craze
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The Ice Bucket Challenge is helping the fight against Lou Gehrig's disease, with celebs (and a lot of other folks) taking part – New York Daily News
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