But why waste this teaching moment. Ponder the words of the legendary and venerable high school teacher of yore, C.N. Johnson, who had nothing to do with Jackson County save educating some folks who eventually moved or visited here or who moved to Ottumwa, Iowa from here. When faced with a flatly bored algebra class (not uncommon for that high school subject) with students more aware of the opposite sex than the subject of equations with plus and minus numbers and with his back to the class while writing on the blackboard he screamed at the top of his lungs these immortal words. “The SIGNS! The SIGNS! Change the SIGNS or the SIGNS will turn upon you and stab