While Halloween's popularity outside the United States continues to grow, celebrating the event remains riskier in some places than others. And don't even think about trick-or-treating in Uzbekistan.
Part 3 of 3: Anti-Semitism has a long history in Europe. But Jews are feeling increasingly threatened by what they see as a new wave of prejudice – brewed in part by burgeoning extremism in Muslim communities.
Part 2 of 3: Fears of radicalized European jihadis returning home to commit acts of terrorism are fueling Islamophobia across France and the Continent. Some say that is further disillusioning Muslim youth – making them more likely to radicalize.
Part 1 of 3: In Marseille, one of France's most multicultural cities, the anti-immigrant National Front is moving from the fringes into the mainstream with the support of disenfranchised Muslims, amongst others.
Efforts to expand the anti-Islamic State coalition include the debate in Britain's Parliament, deliberations in Denmark and Belgium, and US overtures to Turkey. US and French jets struck IS oil targets overnight in Syria.
Such a move could have accomplished two goals: Keep the ship out of Russian hands, and boost EU defense capabilities.