Teaching is our family business. Early in the last century, my paternal grandfather, Louis French Morrison (1880–۱۹۶۱), was assistant superintendent of schools inMorgantown,West Virginia. His first son, my uncle Wilbur Yale Morrison, taught shop for many years in the Morgantown public schools. His second son, my father, Donald Harvard Morrison (note the choice of middle names) was a professor of Government at Dartmouth College, dean of the faculty, and the College’s first provost. On my mother’s side, my aunt, Jane Gibson Likert, taught high school English in Grand Rapids, Michigan. According to family...