If you refuse to rent an apartment from any black owner, have you broken the law?
If you refuse to work for any Asian employer, have you broken the law?
"Racial discrimination in housing and employment" is in fact not "illegal."
For some of us.
Do you support the enactment of our current anti-discrimination laws? Do you support in particular the enactment of the federal laws selectively targeting a portion of the discrimination in "housing and employment"?
Not that I'm aware of. If you refuse to rent to a prospective tenant because of his or her race, you're in violation of our laws.
Libertarian doctrine would legalize such racial discrimination.