Though it’s hard to rival Troy Polamalu’s million-dollar head of hair, the Pittsburgh Steelers safety (and face of Head & Shoulders) is about to get a twin — a Minnesota Twin, that is.

Katherine Carlson and Kathleen Golden once were the most-photographed identical twins in America. They appeared in the top national magazines of the 1940s and 1950s – Post, Life, Redbook, Sev… ...