A demonstrator holds a sign at the Americans March for Israel rally in Washington, Nov. 14. Photo: Sue Dorfman/Zuma Press Thousand Oaks, Calif. It’s a long story how I came to be standing some years ago in Archbishop’s Palace in Naples alongside six Italian-Americans from New York—four academics, a monsignor, and a New York Supreme Court judge—to meet with the cardinal. Each of the others kissed his ring as he went down the line. I, at the end, turned his hand vertically and shook it. His eyes widened. Someone explained that I was Jewish, which delighted him, and for the...