U.S. national anthem kneeling protests - Wikipedia
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Taking the knee: These are the NFL players protesting today
After Trump Blasts N.F.L., Players Kneel and Lock Arms in Solidarity - The New York Times
NFL protests during national anthem point to fractured America, NFL News
Many NFL Players Protest During Anthem After Trump Attacks
America split by Sunday's widespread NFL protests
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Many NFL Players Protest During Anthem After Trump Attacks
NFL protests: 2 years of NFL protests, explained - Vox