SACRAMENTO (AP) - On issues from global warming to corporate reform, public pension funds controlled by union officials and Democrats in states carried by Democratic presidential candidate John Kerry increasingly see themselves as counterweights to Republican control of the nation's political agenda. As Bush plans a second term, multibillion-dollar investment funds - especially in so-called "blue states" such as California, New York, Connecticut and Illinois - have already forged alternate agendas on clean energy, the environment, executive pay, even gay marriage rights that can run counter to "red state" values. They also view themselves as an increasingly important check on...