is it a good idea, or even proper, for shareholders to try to leverage their slice of ownership to force companies to engage in socially (or politically) conscious activities, even if it can, at least in the short term, have a negative impact upon the company's bottom line? or should those decisions come from the directors who are voted to run the company? is there a difference when non-owners pressure for action, such as boycotts and when college students protesting for divestment?