(A deer is on the runway at a small airport, as a student and flight instructor prepare for the day's lesson) Std: "Maybe if I taxi toward him it'll scare him away." Inst: "That's a good idea." (Taxis toward deer, but deer is macho, and holds position.) Tower: Cessna XXX cleared for take-off, runway NN. Std: "What should I do? What should I do?" Inst: "What do you think you should do?" (think-think-think) Std: "Maybe I should tell the tower." Inst: "That's a good idea." Std: Cessna XXX, uh, there's a deer down here on the runway. (long pause) Tower: Roger XXX, hold your position. Deer on runawy NN cleared for immediate departure. (Two seconds, and then--I presume by coincidence--the deer bolts from the runway, and runs back into the woods.) Tower: Cessna XXX cleared for departure, runway NN. Caution wake turbulence, departing deer. It had to be tough keeping that Cessna rolling straight for take-off.