The issue, perhaps, boils down to one of how perceptions or misperceptions of racial difference impact various individuals', or groups of individuals', experience of freedom in America. Some would argue that it goes beyond hampering their 'pursuit of happiness' to outright obliterating it.
democracy
demographics-of-united-states
diversity
equality
eric-garner
freedom
george-zimmerman
happiness
human-rights-day
justice
kajieme-powell
killing-of-black-men-in-america
mass-incarceration
michael-brown
new-jim-crow
pursuit-of-happiness
race-and-racism-in-america
racial-demographics
racial-discrimination
racism
tamir-rice
trayvon-martin
troy-anthony-davis