Bizarrely, racism in America is no longer mainly about race. Sure, race is involved in a peripheral manner, but racism has mainly become an excuse, a dodge, a way to escape responsibility.
When a black liberal is criticized, he cries racism. When liberalism fails, liberals cry racism. When the Democrat Party gets in trouble, liberals cry racism. It has become the ever present background noise of politics, like birds chirping in the forest.
Racism does still exist and always will, but once the Democrat Party joined the GOP in being opposed to racist policies, appealing to racism became a dead dog political loser in this country. The very fact that we've become so hypersensitive about it as a country is evidence of how far it has been pushed to the fringes.
Keep in mind that we live in a nation with a black President and a black Attorney General. Furthermore, the government is legally allowed to discriminate against white Americans based on the color of their skin and it happily does so; yet you can't go a day in this country without hearing liberals howling about what a racist country they live in. It has almost become a circular, faith-based argument. America is racist because so many liberals say it's racist because they've heard other liberals say the country is racist.