Europe has no Jewish future. The threat of Muslim terror is driving away young people and assimilation is destroying the largest diaspora outside the United States. Fed by media reports over the last few years, that was the picture I fully expected to see on a recent trip to Marseille for a gathering of 30 young rabbanim from across the continent organized by the Conference of European Rabbis. But those grim eulogies turned out to be, in a popular phrase, fake news.