U.S. national anthem kneeling protests - Wikipedia
The national anthem in sports (spoiler: it wasn't always this way)
Jerry Jones explains Cowboys' national anthem decision: 'We wanted to make a statement'
How Cowboys, Packers reacted to national anthem
What Every N.F.L. Team Did During the National Anthem on Sunday - The New York Times
WATCH: Laura Wright and Alyssa Bonagura Perform National Anthems During London Game
Trump Calls Dallas Cowboys' Anthem Demonstration 'Progress' - The New York Times
What Every N.F.L. Team Did During the National Anthem on Sunday - The New York Times
Brianna Collichio, of Spencerport, N.Y., sings the national anthem prior to an NFL football game between the New York Jets and the Buffalo Bills, Sunday, Jan. 1, 2017, in East Rutherford, N.J.
List of national anthem performers at the Super Bowl - Wikipedia
After Anthem Protests, N.F.L. Plots a Careful Path Forward - The New York Times
Why ESPN won't be showing the national anthem before 'Monday Night Football' game
NFL take-a-knee anthem protests nosedive as military honored for Veterans Day - Washington Times