You knwo when soemone sayd "Iam nto a racist". "No offence". "My best frieds are gay but"
You know that the person is a racisist, homofoba nd is about to say soemthing cowardly and offesive.
I am glad I do not live in AZ where a murla of brown skin child causes people to behave this way:
http://immigration.change.org/blog/view/arizona_principal_demands_mural_be_repainted_with_lighter_skinned_children