Escorting blacks to the polls in the South in the 60s was combating racism.
Refusing to patronize establishments that discriminate is combating racism.
Going after the klan with RICO statutes is combating racism.
Being the best example of a friend and neighbor no matter the makeup of your neighbor is combating racism.

Playing tit-for-tat with skinheads blogging from their mommy’s basement… not so much.