You might think a good empiricist believes only what she can confirm through her senses. You would be wrong. Nevertheless, it is a good initial thought, and the premise to many farces, especially those expressing anxiety about the scientific revolution. Today we entered Act III--the final act--of just such a farce. Over the last two days (three really but plays are not four acts long) Maikel Franco launched baseballs from his bat and smothered them within his glove to elevate a wayward club from the sewage-slicked gutters to the silken couches of an aristocratic mansion. With such unusual success (31 runs in 3 days!