Washington state’s governor signed into law on Monday the final piece of a six-year effort to rewrite state laws using gender-neutral vocabulary, replacing terms such as “fisherman” and “freshman” with “fisher” and “first-year student.” Lawmakers have passed a series of bills since 2007 to root out gender bias from Washington statutes, though a 1983 state mandate required that all laws be written in gender-neutral terms unless a specification of gender was intended. “This was a much larger effort than I had envisioned. Mankind means man and woman,” said Democratic state Senator Jeanne Kohl-Welles of Seattle. The bill passed the Democrat-controlled...