![Sticking to his principles: San Francisco 49ers quarterback Colin Kaepernick.](/web/20160903063447im_/http://www.smh.com.au/content/dam/images/g/r/7/b/f/z/image.related.wideLandscape.620x349.gr7bap.png/1472784921148.jpg)
Kaepernick kneels during anthem again
San Francisco 49ers quarterback Colin Kaepernick knelt with his arms folded during the performance of the US national anthem during a pre-season game in San Diego on Friday, continuing his protest against racial injustice and police brutality.