Overall, 42 percent of U.S. adults said it is sometimes appropriate to protest by kneeling during the national anthem while 53 percent said it is “never appropriate” in the Post-Kaiser survey conducted in January and February…

Opinions are deeply divided along partisan, racial and ethnic lines. Fully 86 percent of Republicans said it’s never appropriate to kneel during the national anthem as a form of protest. That drops down to just about half of independents (51 percent) and less than 3 in 10 Democrats (29 percent) who said the same; 66 percent of Democrats said protesting the anthem is sometimes appropriate.