With new leverage, NYC's Stringer could reshape boardrooms

U.S. public pension funds normally prefer a backseat role in overseeing the future of companies where they have billions of dollars invested. It could also mean another shake-up for corporations still learning how to deal with election contests brought by big activist investors like Carl Icahn or Nelson Peltz. With New York City having the fourth-largest U.S. public pension system with some $170 billion in assets, Stringer has led the charge on bylaw changes known as "proxy access" under which h