The meeting of cultures requires mutual respect
the meeting of cultures requires mutual respect.
But between a culture of freedom, and a culture that demands submission,
there is little common ground where they can meet.
An agreement like:
If I am kind enough not to offend you, you must be kind enough not to kill me,
is not mutual respect - that is giving in to threats and intimidation.
I do believe a civilized and respectful dialogue may be possible between western secularism and Quran-based Islam. But not with the polytheist idolaters who worship their prophet as a god, and read hadith like the Quran itself.