Mayor Cory Booker waits in his wood-paneled city hall office for his next visitors. His life, even on a Sunday, is tightly scheduled. He checks the time on his cell phone and lets the ribbing of his two friends, who are now late, begin. “Jewish time is even worse than black time,” he says, “although I should never drag all the Jewish people down with Shmuley.” And then, about the other guy: “I thought Mormons were always 15 minutes early?”