Most of our grandfather's wore beards, but most of our grandfather's grandfathers did not. The fashion started in 1860, when a little girl wrote to Abraham Lincoln and suggested that he grow whiskers to gain dignity. But before Lincoln, for nearly two centuries, beards had been shunned by all sane, upright, decent and respectable folks. People felt strongly against beards, with one noteable exception - a citizen of Pittsburgh named Joseph Palmer...