The whole story of Barbra Streisand and the sturgeon began a few months ago on a Thursday when I was at my regular spot at the fish counter. A very pleasant, attractive woman ordered a pound of Nova and, before Slim, my long sharp slicing knife, and I started our journey through the salmon, she said, “I’m buying this for Barbra Streisand.” I was skeptical, so I asked her what her relationship was with Barbra. She told me her name was Christine and that she was Barbra’s editor and had…