Go ahead, open up the window, stick out your head and say it three times loud: I'm mad as hell and I'm not going to take it anymore! Doesn't that feel good? In this time of contagion, those words take on an entirely new meaning from the 1976 Sidney Lumet film, Network, that spawned that archetypal line. That savage roasting of network news organizations and the bitterly commercial cost of information that has bled into the lifeblood of broadcasting was shocking for the way it