Legendary Wrigley Field, home of the Chicago Cubs, seems magical for some fans — with its red brick walls, green ivy and sun-splashed bleachers. But the nearly 100-old-building is falling apart. The Cubs want to spend $300 million to renovate Wrigley if they are allowed to change the landmarked structure. That's got Wrigley's neighbors crying foul. Nearby buildings have bleachers on their rooftops and the owners charge admission to watch games from there. The owners fear a renovation would include jumbotrons and the like, which would block their rooftop views. And they could be right. Every other major league team rakes in huge sums from advertising on massive signs and screens.