rac·ism
/ˈrāˌsizəm/
noun
prejudice, discrimination, or antagonism directed against a person or people on the basis of their membership in a particular racial or ethnic group, typically one that is a minority or marginalized. "a program to combat racism"
It's interesting how much salt these "no racism" posts generate from the overwhelmingly PPC userbase here.
A lot of have been asking for his definition of racism because there seems to be a fine line to walk between what is and isn't racism. So many of us were wondering how not to cross that line and he never really made that clear.