Five Phases of Weak Neutral Current Experiments from the Perspective of a Theorist

I give my personal perspective on the past, present, and future of weak neutral current experiments, emphasizing the experimental inputs; the theoretical difficulties and inputs; the role of model independent and global analyses; and the implications at each stage. hep-ph/yymmnnnComment: 37 pages, LATEX, 19 figures (not included), hard copy available on request, UPR-0553