In 2010 I was privileged to visit Paris briefly and Grenoble for a week. Beautiful cities.
One of the sites we were able to visit in Grenoble was a Holocaust museum. It provided an excellent look into the extreme troubles French Jews (and non-Jews who were sympathetic) suffered at the hands of an evil ideology, Naziism. I was are of the atrocities in Nazi death camps and the horrific medical experiments which used Jews as guinea pigs, but didn't the history in France.
What happened in Europe under Hitler should never be allowed to happen again. But prevention doesn't just happen.
Now at the hand of another invading evil it appears the Jewish population in France is experiencing déjà vu 75 years later.
When will we learn that a nation's way of life, if grounded in liberty, is worth defending "at the gates"? If we don't learn from history we're doomed to repeat it.