By Maria Saporta
For decades, Delta Air Lines and the city of Atlanta have played a delicate dance.
Both have proclaimed their eternal love for each other — crediting each other for their own growth.
That partnership has led to Delta becoming the world’s largest airline and Hartsfield-Jackson becoming the largest and busiest airport in the world.
And yet both have had to balance that love with their own self-interests.
For Delta, that self-interest is to limit the amount of airline competition that comes
