19. What author(s) suggests that leaders motivate by articulation of a vision that stresses values of the audience being addressed.....involving people in deciding how to achieve that vision....enlisting the enthusiastic support of their efforts at achieving that vision... and the public recognition and rewarding of all their successes. (Answer: D) A. Weber (1947) B. Clynch and Neubauer (1981) C. Lipsky (1980) D. Kotter (1990) E. None of the above