Americans who do have jobs hate them so much, they are actually thinking of quitting. that's according to a new survey of 15,000 american workers. the survey on job dissatisfaction says two out of five u.s. professionals are considering quitting their jobs this fall. here are some of the top reasons cited. lack of communication and involvement by top management, and no promotions, despite good work results. also, workers cite being overworked and a lack of company vision. recent labor department figures show those who do have jobs are putting in more work hours. hours rose 3.6% over last quart...