In a provocative 1985 cover story featuring the face of Marianne obscured by an Islamic veil, Le Figaro Magazine asked: "Serons-nous encore francais dans trente ans?." With those thirty years now spanned, where does France stand in relation to the fears, challenges and opportunities associated with changing perceptions of ethnic and cultural diversity within and beyond the nation's borders? Is the France of 2015 still French in the same way or to the same degree as the France of 1985? Where do the most significant challenges to "Frenchness" now lie? In Islamism? In the "banlieues"? In...