Engage others in conversation about these issues. Help enlighten the population. Be inclusive within your organizations, your places of work, your schools. Praise and thank those who share this mindset and these goals.
We need to recognize that political correctness and a positive and healthy dialogue are quite often mutually exclusive.
Hindsight is generally 20/20. If you can find a way to help Starbucks and other organizations like it, race relations will improve and our country will be better for it.