On Saturday, July 4, 2015 at 12:10:05 PM UTC-4, trader_4 wrote:

Here's how I think all this should be handled. If you want
to put those kinds of signs at your business, then I think
it should be your right. It's your business. That includes
putting up a sign that blacks aren't welcome, if you choose.
Let the free market solve it. Any store that puts up such
signs can expect to lose a lot of business. I wouldn't
patronize a business that put up any of those kinds of signs,
nor would the majority of people. The business can also expect
protesters, lots of negative press, disrupting their business.

It's a different situation today than 50 years ago when
you had widespread discrimination against blacks and in
the Jim Crow south you had most places discriminating.
Then I can see a justification for requiring businesses
to serve everyone. Today, the situation has totally
changed. If allowed to discriminate, very few businesses
are going to be dumb enough to do it and those that are
will be ostracized.