"If what you want is perfect, we're never going to get there," Emanuel said. "You have an individual that is going to invest close to three-quarters of $1 billion in the city of Chicago. I've got to be honest, there's not a lot of those coming around. ... So, I would just ask everybody to step back and see where you can find common ground on a shared goal of how Chicago could succeed without making the perfect the enemy of the good."