Let us begin with definitions. First, there is the circle. It is round. It has circumference, the edge or outer limits of its roundness. It has a center and a radius, the latter being the straight-line distance from the circle's center to its circumference.
WHERE: Richmond. WHY: Patrick Henry's cry, here lies . . ., and macabre french fries. HOW FAR: About three miles from start to finish, and about 108 miles from Washington. Church Hill is changing. The historical Richmond neighborhood -- site of old mansions, cast-iron work on porches, cobbled str...
