Oh, the 2000s! What a decade. The newly-invented gadgets, like the iPod and the iMac, were chunky and the jeans were low-rise. Pottermania reigned supreme, as did mega pop and hip hop stars like Beyoncé and Missy Elliot. And social media — MySpace and later, Facebook, invented by Jewish entrepreneur Mark Zuckerberg — brought the world closer together. 20 years later, boy, are we feeling the nostalgia for all of it. The decade’s most popular Jewish baby names reflect the spirit of the times, featuring some very Y2K names for the new millennium along with some classics inspired by our...