Oh, and by the way, the first amendment right to free speech does not give you a right to anonymous free speech. (law.stackexchange.com)
And also, Is it worth restricting a person or organization's right to free speech in order to achieve that aim? (slaw.ca)
The issue is that free speech was provided for anti choice proponents, but an alternative plate giving the same right to free speech to pro choice proponents was voted down by the legislature. (religion.blogs.cnn.com)